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path: root/drivers/char/rio/rioctrl.c
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Diffstat (limited to 'drivers/char/rio/rioctrl.c')
-rw-r--r--drivers/char/rio/rioctrl.c182
1 files changed, 95 insertions, 87 deletions
diff --git a/drivers/char/rio/rioctrl.c b/drivers/char/rio/rioctrl.c
index 75b2557c37ec..052e8120a471 100644
--- a/drivers/char/rio/rioctrl.c
+++ b/drivers/char/rio/rioctrl.c
@@ -80,7 +80,7 @@ static char *_rioctrl_c_sccs_ = "@(#)rioctrl.c 1.3";
static struct LpbReq LpbReq;
static struct RupReq RupReq;
static struct PortReq PortReq;
-static struct HostReq HostReq;
+static struct HostReq HostReq; /* oh really? global? and no locking? */
static struct HostDpRam HostDpRam;
static struct DebugCtrl DebugCtrl;
static struct Map MapEnt;
@@ -126,12 +126,19 @@ static int
#define drv_makedev(maj, min) ((((uint) maj & 0xff) << 8) | ((uint) min & 0xff))
-int riocontrol(p, dev, cmd, arg, su)
-struct rio_info *p;
-dev_t dev;
-int cmd;
-caddr_t arg;
-int su;
+static int copy_from_io(void __user *to, void __iomem *from, size_t size)
+{
+ void *buf = kmalloc(size, GFP_KERNEL);
+ int res = -ENOMEM;
+ if (buf) {
+ rio_memcpy_fromio(buf, from, size);
+ res = copy_to_user(to, buf, size);
+ kfree(buf);
+ }
+ return res;
+}
+
+int riocontrol(struct rio_info *p, dev_t dev, int cmd, unsigned long arg, int su)
{
uint Host; /* leave me unsigned! */
uint port; /* and me! */
@@ -139,9 +146,10 @@ int su;
ushort loop;
int Entry;
struct Port *PortP;
- struct PKT *PacketP;
+ struct PKT __iomem *PacketP;
int retval = 0;
unsigned long flags;
+ void __user *argp = (void __user *)arg;
func_enter();
@@ -149,7 +157,7 @@ int su;
Host = 0;
PortP = NULL;
- rio_dprintk(RIO_DEBUG_CTRL, "control ioctl cmd: 0x%x arg: %p\n", cmd, arg);
+ rio_dprintk(RIO_DEBUG_CTRL, "control ioctl cmd: 0x%x arg: %p\n", cmd, argp);
switch (cmd) {
/*
@@ -160,11 +168,11 @@ int su;
** otherwise just the specified host card will be changed.
*/
case RIO_SET_TIMER:
- rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_TIMER to %ldms\n", (unsigned long)arg);
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_TIMER to %ldms\n", arg);
{
int host, value;
- host = ((unsigned long) arg >> 16) & 0x0000FFFF;
- value = (unsigned long) arg & 0x0000ffff;
+ host = (arg >> 16) & 0x0000FFFF;
+ value = arg & 0x0000ffff;
if (host == -1) {
for (host = 0; host < p->RIONumHosts; host++) {
if (p->RIOHosts[host].Flags == RC_RUNNING) {
@@ -183,26 +191,26 @@ int su;
case RIO_FOAD_RTA:
rio_dprintk(RIO_DEBUG_CTRL, "RIO_FOAD_RTA\n");
- return RIOCommandRta(p, (unsigned long)arg, RIOFoadRta);
+ return RIOCommandRta(p, arg, RIOFoadRta);
case RIO_ZOMBIE_RTA:
rio_dprintk(RIO_DEBUG_CTRL, "RIO_ZOMBIE_RTA\n");
- return RIOCommandRta(p, (unsigned long)arg, RIOZombieRta);
+ return RIOCommandRta(p, arg, RIOZombieRta);
case RIO_IDENTIFY_RTA:
rio_dprintk(RIO_DEBUG_CTRL, "RIO_IDENTIFY_RTA\n");
- return RIOIdentifyRta(p, arg);
+ return RIOIdentifyRta(p, argp);
case RIO_KILL_NEIGHBOUR:
rio_dprintk(RIO_DEBUG_CTRL, "RIO_KILL_NEIGHBOUR\n");
- return RIOKillNeighbour(p, arg);
+ return RIOKillNeighbour(p, argp);
case SPECIAL_RUP_CMD:
{
struct CmdBlk *CmdBlkP;
rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD\n");
- if (copy_from_user(&SpecialRupCmd, arg, sizeof(SpecialRupCmd))) {
+ if (copy_from_user(&SpecialRupCmd, argp, sizeof(SpecialRupCmd))) {
rio_dprintk(RIO_DEBUG_CTRL, "SPECIAL_RUP_CMD copy failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -239,7 +247,7 @@ int su;
if ((retval = RIOApel(p)) != 0)
return retval;
- if (copy_to_user(arg, p->RIOConnectTable, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
+ if (copy_to_user(argp, p->RIOConnectTable, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_TABLE copy failed\n");
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
@@ -284,7 +292,7 @@ int su;
p->RIOError.Error = NOT_SUPER_USER;
return -EPERM;
}
- if (copy_from_user(&p->RIOConnectTable[0], arg, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
+ if (copy_from_user(&p->RIOConnectTable[0], argp, TOTAL_MAP_ENTRIES * sizeof(struct Map))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_TABLE copy failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -330,7 +338,7 @@ int su;
p->RIOError.Error = NOT_SUPER_USER;
return -EPERM;
}
- if (copy_to_user(arg, p->RIOBindTab, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
+ if (copy_to_user(argp, p->RIOBindTab, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_BINDINGS copy failed\n");
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
@@ -349,7 +357,7 @@ int su;
p->RIOError.Error = NOT_SUPER_USER;
return -EPERM;
}
- if (copy_from_user(&p->RIOBindTab[0], arg, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
+ if (copy_from_user(&p->RIOBindTab[0], argp, (sizeof(ulong) * MAX_RTA_BINDINGS))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_PUT_BINDINGS copy failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -373,12 +381,12 @@ int su;
for (Entry = 0; Entry < MAX_RTA_BINDINGS; Entry++) {
if ((EmptySlot == -1) && (p->RIOBindTab[Entry] == 0L))
EmptySlot = Entry;
- else if (p->RIOBindTab[Entry] == (long)arg) {
+ else if (p->RIOBindTab[Entry] == arg) {
/*
** Already exists - delete
*/
p->RIOBindTab[Entry] = 0L;
- rio_dprintk(RIO_DEBUG_CTRL, "Removing Rta %ld from p->RIOBindTab\n", (unsigned long)arg);
+ rio_dprintk(RIO_DEBUG_CTRL, "Removing Rta %ld from p->RIOBindTab\n", arg);
return 0;
}
}
@@ -386,10 +394,10 @@ int su;
** Dosen't exist - add
*/
if (EmptySlot != -1) {
- p->RIOBindTab[EmptySlot] = (unsigned long)arg;
- rio_dprintk(RIO_DEBUG_CTRL, "Adding Rta %lx to p->RIOBindTab\n", (unsigned long) arg);
+ p->RIOBindTab[EmptySlot] = arg;
+ rio_dprintk(RIO_DEBUG_CTRL, "Adding Rta %lx to p->RIOBindTab\n", arg);
} else {
- rio_dprintk(RIO_DEBUG_CTRL, "p->RIOBindTab full! - Rta %lx not added\n", (unsigned long) arg);
+ rio_dprintk(RIO_DEBUG_CTRL, "p->RIOBindTab full! - Rta %lx not added\n", arg);
return -ENOMEM;
}
return 0;
@@ -397,7 +405,7 @@ int su;
case RIO_RESUME:
rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME\n");
- port = (unsigned long) arg;
+ port = arg;
if ((port < 0) || (port > 511)) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESUME: Bad port number %d\n", port);
p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
@@ -433,7 +441,7 @@ int su;
p->RIOError.Error = NOT_SUPER_USER;
return -EPERM;
}
- if (copy_from_user(&MapEnt, arg, sizeof(MapEnt))) {
+ if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -447,7 +455,7 @@ int su;
p->RIOError.Error = NOT_SUPER_USER;
return -EPERM;
}
- if (copy_from_user(&MapEnt, arg, sizeof(MapEnt))) {
+ if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
rio_dprintk(RIO_DEBUG_CTRL, "Copy from user space failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -461,7 +469,7 @@ int su;
p->RIOError.Error = NOT_SUPER_USER;
return -EPERM;
}
- if (copy_from_user(&MapEnt, arg, sizeof(MapEnt))) {
+ if (copy_from_user(&MapEnt, argp, sizeof(MapEnt))) {
rio_dprintk(RIO_DEBUG_CTRL, "Copy from data space failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -469,14 +477,14 @@ int su;
return RIODeleteRta(p, &MapEnt);
case RIO_QUICK_CHECK:
- if (copy_to_user(arg, &p->RIORtaDisCons, sizeof(unsigned int))) {
+ if (copy_to_user(argp, &p->RIORtaDisCons, sizeof(unsigned int))) {
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
}
return 0;
case RIO_LAST_ERROR:
- if (copy_to_user(arg, &p->RIOError, sizeof(struct Error)))
+ if (copy_to_user(argp, &p->RIOError, sizeof(struct Error)))
return -EFAULT;
return 0;
@@ -485,7 +493,7 @@ int su;
return -EINVAL;
case RIO_GET_MODTYPE:
- if (copy_from_user(&port, arg, sizeof(unsigned int))) {
+ if (copy_from_user(&port, argp, sizeof(unsigned int))) {
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
@@ -505,7 +513,7 @@ int su;
** Return module type of port
*/
port = PortP->HostP->UnixRups[PortP->RupNum].ModTypes;
- if (copy_to_user(arg, &port, sizeof(unsigned int))) {
+ if (copy_to_user(argp, &port, sizeof(unsigned int))) {
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
}
@@ -521,7 +529,7 @@ int su;
case RIO_SETUP_PORTS:
rio_dprintk(RIO_DEBUG_CTRL, "Setup ports\n");
- if (copy_from_user(&PortSetup, arg, sizeof(PortSetup))) {
+ if (copy_from_user(&PortSetup, argp, sizeof(PortSetup))) {
p->RIOError.Error = COPYIN_FAILED;
rio_dprintk(RIO_DEBUG_CTRL, "EFAULT");
return -EFAULT;
@@ -551,7 +559,7 @@ int su;
case RIO_GET_PORT_SETUP:
rio_dprintk(RIO_DEBUG_CTRL, "Get port setup\n");
- if (copy_from_user(&PortSetup, arg, sizeof(PortSetup))) {
+ if (copy_from_user(&PortSetup, argp, sizeof(PortSetup))) {
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
@@ -572,7 +580,7 @@ int su;
PortSetup.XpOn[MAX_XP_CTRL_LEN - 1] = '\0';
PortSetup.XpOff[MAX_XP_CTRL_LEN - 1] = '\0';
- if (copy_to_user(arg, &PortSetup, sizeof(PortSetup))) {
+ if (copy_to_user(argp, &PortSetup, sizeof(PortSetup))) {
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
}
@@ -580,7 +588,7 @@ int su;
case RIO_GET_PORT_PARAMS:
rio_dprintk(RIO_DEBUG_CTRL, "Get port params\n");
- if (copy_from_user(&PortParams, arg, sizeof(struct PortParams))) {
+ if (copy_from_user(&PortParams, argp, sizeof(struct PortParams))) {
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
@@ -593,7 +601,7 @@ int su;
PortParams.State = PortP->State;
rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortParams.Port);
- if (copy_to_user(arg, &PortParams, sizeof(struct PortParams))) {
+ if (copy_to_user(argp, &PortParams, sizeof(struct PortParams))) {
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
}
@@ -601,7 +609,7 @@ int su;
case RIO_GET_PORT_TTY:
rio_dprintk(RIO_DEBUG_CTRL, "Get port tty\n");
- if (copy_from_user(&PortTty, arg, sizeof(struct PortTty))) {
+ if (copy_from_user(&PortTty, argp, sizeof(struct PortTty))) {
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
@@ -612,14 +620,14 @@ int su;
rio_dprintk(RIO_DEBUG_CTRL, "Port %d\n", PortTty.port);
PortP = (p->RIOPortp[PortTty.port]);
- if (copy_to_user(arg, &PortTty, sizeof(struct PortTty))) {
+ if (copy_to_user(argp, &PortTty, sizeof(struct PortTty))) {
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
}
return retval;
case RIO_SET_PORT_TTY:
- if (copy_from_user(&PortTty, arg, sizeof(struct PortTty))) {
+ if (copy_from_user(&PortTty, argp, sizeof(struct PortTty))) {
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
@@ -634,7 +642,7 @@ int su;
case RIO_SET_PORT_PARAMS:
rio_dprintk(RIO_DEBUG_CTRL, "Set port params\n");
- if (copy_from_user(&PortParams, arg, sizeof(PortParams))) {
+ if (copy_from_user(&PortParams, argp, sizeof(PortParams))) {
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
@@ -650,7 +658,7 @@ int su;
case RIO_GET_PORT_STATS:
rio_dprintk(RIO_DEBUG_CTRL, "RIO_GET_PORT_STATS\n");
- if (copy_from_user(&portStats, arg, sizeof(struct portStats))) {
+ if (copy_from_user(&portStats, argp, sizeof(struct portStats))) {
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
@@ -665,14 +673,14 @@ int su;
portStats.opens = PortP->opens;
portStats.closes = PortP->closes;
portStats.ioctls = PortP->ioctls;
- if (copy_to_user(arg, &portStats, sizeof(struct portStats))) {
+ if (copy_to_user(argp, &portStats, sizeof(struct portStats))) {
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
}
return retval;
case RIO_RESET_PORT_STATS:
- port = (unsigned long) arg;
+ port = arg;
rio_dprintk(RIO_DEBUG_CTRL, "RIO_RESET_PORT_STATS\n");
if (port >= RIO_PORTS) {
p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
@@ -690,7 +698,7 @@ int su;
case RIO_GATHER_PORT_STATS:
rio_dprintk(RIO_DEBUG_CTRL, "RIO_GATHER_PORT_STATS\n");
- if (copy_from_user(&portStats, arg, sizeof(struct portStats))) {
+ if (copy_from_user(&portStats, argp, sizeof(struct portStats))) {
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
@@ -706,7 +714,7 @@ int su;
case RIO_READ_CONFIG:
rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_CONFIG\n");
- if (copy_to_user(arg, &p->RIOConf, sizeof(struct Conf))) {
+ if (copy_to_user(argp, &p->RIOConf, sizeof(struct Conf))) {
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
}
@@ -718,7 +726,7 @@ int su;
p->RIOError.Error = NOT_SUPER_USER;
return -EPERM;
}
- if (copy_from_user(&p->RIOConf, arg, sizeof(struct Conf))) {
+ if (copy_from_user(&p->RIOConf, argp, sizeof(struct Conf))) {
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
@@ -746,7 +754,7 @@ int su;
case RIO_SETDEBUG:
case RIO_GETDEBUG:
rio_dprintk(RIO_DEBUG_CTRL, "RIO_SETDEBUG/RIO_GETDEBUG\n");
- if (copy_from_user(&DebugCtrl, arg, sizeof(DebugCtrl))) {
+ if (copy_from_user(&DebugCtrl, argp, sizeof(DebugCtrl))) {
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
@@ -763,7 +771,7 @@ int su;
rio_dprintk(RIO_DEBUG_CTRL, "Get global debug 0x%x wait 0x%x\n", p->rio_debug, p->RIODebugWait);
DebugCtrl.Debug = p->rio_debug;
DebugCtrl.Wait = p->RIODebugWait;
- if (copy_to_user(arg, &DebugCtrl, sizeof(DebugCtrl))) {
+ if (copy_to_user(argp, &DebugCtrl, sizeof(DebugCtrl))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET/GET DEBUG: bad port number %d\n", DebugCtrl.SysPort);
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
@@ -785,7 +793,7 @@ int su;
} else {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_GETDEBUG 0x%x\n", p->RIOPortp[DebugCtrl.SysPort]->Debug);
DebugCtrl.Debug = p->RIOPortp[DebugCtrl.SysPort]->Debug;
- if (copy_to_user(arg, &DebugCtrl, sizeof(DebugCtrl))) {
+ if (copy_to_user(argp, &DebugCtrl, sizeof(DebugCtrl))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_GETDEBUG: Bad copy to user space\n");
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
@@ -800,7 +808,7 @@ int su;
** textual null terminated string.
*/
rio_dprintk(RIO_DEBUG_CTRL, "RIO_VERSID\n");
- if (copy_to_user(arg, RIOVersid(), sizeof(struct rioVersion))) {
+ if (copy_to_user(argp, RIOVersid(), sizeof(struct rioVersion))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_VERSID: Bad copy to user space (host=%d)\n", Host);
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
@@ -813,7 +821,7 @@ int su;
** at init time.
*/
rio_dprintk(RIO_DEBUG_CTRL, "RIO_NUM_HOSTS\n");
- if (copy_to_user(arg, &p->RIONumHosts, sizeof(p->RIONumHosts))) {
+ if (copy_to_user(argp, &p->RIONumHosts, sizeof(p->RIONumHosts))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_NUM_HOSTS: Bad copy to user space\n");
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
@@ -824,7 +832,7 @@ int su;
/*
** Kill host. This may not be in the final version...
*/
- rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_FOAD %ld\n", (unsigned long) arg);
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_FOAD %ld\n", arg);
if (!su) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_FOAD: Not super user\n");
p->RIOError.Error = NOT_SUPER_USER;
@@ -858,7 +866,7 @@ int su;
p->RIOError.Error = NOT_SUPER_USER;
return -EPERM;
}
- if (copy_from_user(&DownLoad, arg, sizeof(DownLoad))) {
+ if (copy_from_user(&DownLoad, argp, sizeof(DownLoad))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Copy in from user space failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -888,7 +896,7 @@ int su;
{
unsigned int host;
- if (copy_from_user(&host, arg, sizeof(host))) {
+ if (copy_from_user(&host, argp, sizeof(host))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -897,7 +905,7 @@ int su;
** Fetch the parmmap
*/
rio_dprintk(RIO_DEBUG_CTRL, "RIO_PARMS\n");
- if (copy_to_user(arg, p->RIOHosts[host].ParmMapP, sizeof(PARM_MAP))) {
+ if (copy_from_io(argp, p->RIOHosts[host].ParmMapP, sizeof(PARM_MAP))) {
p->RIOError.Error = COPYOUT_FAILED;
rio_dprintk(RIO_DEBUG_CTRL, "RIO_PARMS: Copy out to user space failed\n");
return -EFAULT;
@@ -907,7 +915,7 @@ int su;
case RIO_HOST_REQ:
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ\n");
- if (copy_from_user(&HostReq, arg, sizeof(HostReq))) {
+ if (copy_from_user(&HostReq, argp, sizeof(HostReq))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_REQ: Copy in from user space failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -928,7 +936,7 @@ int su;
case RIO_HOST_DPRAM:
rio_dprintk(RIO_DEBUG_CTRL, "Request for DPRAM\n");
- if (copy_from_user(&HostDpRam, arg, sizeof(HostDpRam))) {
+ if (copy_from_user(&HostDpRam, argp, sizeof(HostDpRam))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Copy in from user space failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -945,13 +953,13 @@ int su;
/* It's hardware like this that really gets on my tits. */
static unsigned char copy[sizeof(struct DpRam)];
for (off = 0; off < sizeof(struct DpRam); off++)
- copy[off] = readb(&p->RIOHosts[HostDpRam.HostNum].Caddr[off]);
+ copy[off] = readb(p->RIOHosts[HostDpRam.HostNum].Caddr + off);
if (copy_to_user(HostDpRam.DpRamP, copy, sizeof(struct DpRam))) {
p->RIOError.Error = COPYOUT_FAILED;
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n");
return -EFAULT;
}
- } else if (copy_to_user(HostDpRam.DpRamP, p->RIOHosts[HostDpRam.HostNum].Caddr, sizeof(struct DpRam))) {
+ } else if (copy_from_io(HostDpRam.DpRamP, p->RIOHosts[HostDpRam.HostNum].Caddr, sizeof(struct DpRam))) {
p->RIOError.Error = COPYOUT_FAILED;
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_DPRAM: Bad copy to user space\n");
return -EFAULT;
@@ -960,13 +968,13 @@ int su;
case RIO_SET_BUSY:
rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY\n");
- if ((unsigned long) arg > 511) {
- rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY: Bad port number %ld\n", (unsigned long) arg);
+ if (arg > 511) {
+ rio_dprintk(RIO_DEBUG_CTRL, "RIO_SET_BUSY: Bad port number %ld\n", arg);
p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
return -EINVAL;
}
rio_spin_lock_irqsave(&PortP->portSem, flags);
- p->RIOPortp[(unsigned long) arg]->State |= RIO_BUSY;
+ p->RIOPortp[arg]->State |= RIO_BUSY;
rio_spin_unlock_irqrestore(&PortP->portSem, flags);
return retval;
@@ -976,7 +984,7 @@ int su;
** (probably for debug reasons)
*/
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT\n");
- if (copy_from_user(&PortReq, arg, sizeof(PortReq))) {
+ if (copy_from_user(&PortReq, argp, sizeof(PortReq))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_PORT: Copy in from user space failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -1001,7 +1009,7 @@ int su;
** (probably for debug reasons)
*/
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP\n");
- if (copy_from_user(&RupReq, arg, sizeof(RupReq))) {
+ if (copy_from_user(&RupReq, argp, sizeof(RupReq))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Copy in from user space failed\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -1025,7 +1033,7 @@ int su;
}
rio_dprintk(RIO_DEBUG_CTRL, "Request for rup %d from host %d\n", RupReq.RupNum, RupReq.HostNum);
- if (copy_to_user(HostP->UnixRups[RupReq.RupNum].RupP, RupReq.RupP, sizeof(struct RUP))) {
+ if (copy_from_io(RupReq.RupP, HostP->UnixRups[RupReq.RupNum].RupP, sizeof(struct RUP))) {
p->RIOError.Error = COPYOUT_FAILED;
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_RUP: Bad copy to user space\n");
return -EFAULT;
@@ -1038,7 +1046,7 @@ int su;
** (probably for debug reasons)
*/
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB\n");
- if (copy_from_user(&LpbReq, arg, sizeof(LpbReq))) {
+ if (copy_from_user(&LpbReq, argp, sizeof(LpbReq))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy from user space\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -1062,7 +1070,7 @@ int su;
}
rio_dprintk(RIO_DEBUG_CTRL, "Request for lpb %d from host %d\n", LpbReq.Link, LpbReq.Host);
- if (copy_to_user(LpbReq.LpbP, &HostP->LinkStrP[LpbReq.Link], sizeof(struct LPB))) {
+ if (copy_from_io(LpbReq.LpbP, &HostP->LinkStrP[LpbReq.Link], sizeof(struct LPB))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_HOST_LPB: Bad copy to user space\n");
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
@@ -1136,7 +1144,7 @@ int su;
case RIO_MAP_B110_TO_110:
case RIO_MAP_B110_TO_115200:
rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping\n");
- port = (unsigned long) arg;
+ port = arg;
if (port < 0 || port > 511) {
rio_dprintk(RIO_DEBUG_CTRL, "Baud rate mapping: Bad port number %d\n", port);
p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
@@ -1166,7 +1174,7 @@ int su;
case RIO_SEND_PACKET:
rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET\n");
- if (copy_from_user(&SendPack, arg, sizeof(SendPack))) {
+ if (copy_from_user(&SendPack, argp, sizeof(SendPack))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_SEND_PACKET: Bad copy from user space\n");
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
@@ -1210,7 +1218,7 @@ int su;
return su ? 0 : -EPERM;
case RIO_WHAT_MESG:
- if (copy_to_user(arg, &p->RIONoMessage, sizeof(p->RIONoMessage))) {
+ if (copy_to_user(argp, &p->RIONoMessage, sizeof(p->RIONoMessage))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_WHAT_MESG: Bad copy to user space\n");
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
@@ -1218,7 +1226,7 @@ int su;
return 0;
case RIO_MEM_DUMP:
- if (copy_from_user(&SubCmd, arg, sizeof(struct SubCmdStruct))) {
+ if (copy_from_user(&SubCmd, argp, sizeof(struct SubCmdStruct))) {
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
@@ -1248,7 +1256,7 @@ int su;
PortP->State |= RIO_BUSY;
rio_spin_unlock_irqrestore(&PortP->portSem, flags);
- if (copy_to_user(arg, p->RIOMemDump, MEMDUMP_SIZE)) {
+ if (copy_to_user(argp, p->RIOMemDump, MEMDUMP_SIZE)) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_MEM_DUMP copy failed\n");
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
@@ -1256,30 +1264,30 @@ int su;
return 0;
case RIO_TICK:
- if ((unsigned long) arg >= p->RIONumHosts)
+ if (arg >= p->RIONumHosts)
return -EINVAL;
- rio_dprintk(RIO_DEBUG_CTRL, "Set interrupt for host %ld\n", (unsigned long) arg);
- writeb(0xFF, &p->RIOHosts[(unsigned long) arg].SetInt);
+ rio_dprintk(RIO_DEBUG_CTRL, "Set interrupt for host %ld\n", arg);
+ writeb(0xFF, &p->RIOHosts[arg].SetInt);
return 0;
case RIO_TOCK:
- if ((unsigned long) arg >= p->RIONumHosts)
+ if (arg >= p->RIONumHosts)
return -EINVAL;
- rio_dprintk(RIO_DEBUG_CTRL, "Clear interrupt for host %ld\n", (unsigned long) arg);
- writeb(0xFF, &p->RIOHosts[(unsigned long) arg].ResetInt);
+ rio_dprintk(RIO_DEBUG_CTRL, "Clear interrupt for host %ld\n", arg);
+ writeb(0xFF, &p->RIOHosts[arg].ResetInt);
return 0;
case RIO_READ_CHECK:
/* Check reads for pkts with data[0] the same */
p->RIOReadCheck = !p->RIOReadCheck;
- if (copy_to_user(arg, &p->RIOReadCheck, sizeof(unsigned int))) {
+ if (copy_to_user(argp, &p->RIOReadCheck, sizeof(unsigned int))) {
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
}
return 0;
case RIO_READ_REGISTER:
- if (copy_from_user(&SubCmd, arg, sizeof(struct SubCmdStruct))) {
+ if (copy_from_user(&SubCmd, argp, sizeof(struct SubCmdStruct))) {
p->RIOError.Error = COPYIN_FAILED;
return -EFAULT;
}
@@ -1314,7 +1322,7 @@ int su;
PortP->State |= RIO_BUSY;
rio_spin_unlock_irqrestore(&PortP->portSem, flags);
- if (copy_to_user(arg, &p->CdRegister, sizeof(unsigned int))) {
+ if (copy_to_user(argp, &p->CdRegister, sizeof(unsigned int))) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_READ_REGISTER copy failed\n");
p->RIOError.Error = COPYOUT_FAILED;
return -EFAULT;
@@ -1327,10 +1335,10 @@ int su;
*/
case RIO_MAKE_DEV:
{
- unsigned int port = (unsigned long) arg & RIO_MODEM_MASK;
+ unsigned int port = arg & RIO_MODEM_MASK;
unsigned int ret;
- switch ((unsigned long) arg & RIO_DEV_MASK) {
+ switch (arg & RIO_DEV_MASK) {
case RIO_DEV_DIRECT:
ret = drv_makedev(MAJOR(dev), port);
rio_dprintk(RIO_DEBUG_CTRL, "Makedev direct 0x%x is 0x%x\n", port, ret);
@@ -1358,7 +1366,7 @@ int su;
int mino;
unsigned long ret;
- dv = (dev_t) ((unsigned long) arg);
+ dv = (dev_t) (arg);
mino = RIO_UNMODEM(dv);
if (RIO_ISMODEM(dv)) {
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.