diff options
Diffstat (limited to 'fs/compat_ioctl.c')
| -rw-r--r-- | fs/compat_ioctl.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c index 057e60217fc5..d2c38875ab29 100644 --- a/fs/compat_ioctl.c +++ b/fs/compat_ioctl.c @@ -72,6 +72,7 @@ #include <linux/i2c-dev.h> #include <linux/wireless.h> #include <linux/atalk.h> +#include <linux/blktrace_api.h> #include <net/sock.h> /* siocdevprivate_ioctl */ #include <net/bluetooth/bluetooth.h> @@ -446,7 +447,7 @@ static int dev_ifconf(unsigned int fd, unsigned int cmd, unsigned long arg) ifr = ifc.ifc_req; ifr32 = compat_ptr(ifc32.ifcbuf); for (i = 0, j = 0; - i + sizeof (struct ifreq32) < ifc32.ifc_len && j < ifc.ifc_len; + i + sizeof (struct ifreq32) <= ifc32.ifc_len && j < ifc.ifc_len; i += sizeof (struct ifreq32), j += sizeof (struct ifreq)) { if (copy_in_user(ifr32, ifr, sizeof (struct ifreq32))) return -EFAULT; @@ -1521,8 +1522,7 @@ static struct { { ATM_QUERYLOOP32, ATM_QUERYLOOP } }; -#define NR_ATM_IOCTL (sizeof(atm_ioctl_map)/sizeof(atm_ioctl_map[0])) - +#define NR_ATM_IOCTL ARRAY_SIZE(atm_ioctl_map) static int do_atm_iobuf(unsigned int fd, unsigned int cmd, unsigned long arg) { @@ -1823,7 +1823,7 @@ static struct { { FDWERRORGET32, FDWERRORGET } }; -#define NR_FD_IOCTL_TRANS (sizeof(fd_ioctl_trans_table)/sizeof(fd_ioctl_trans_table[0])) +#define NR_FD_IOCTL_TRANS ARRAY_SIZE(fd_ioctl_trans_table) static int fd_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg) { @@ -2531,18 +2531,9 @@ static int rtc_ioctl(unsigned fd, unsigned cmd, unsigned long arg) val32 = kval; return put_user(val32, (unsigned int __user *)arg); case RTC_IRQP_SET32: + return sys_ioctl(fd, RTC_IRQP_SET, arg); case RTC_EPOCH_SET32: - ret = get_user(val32, (unsigned int __user *)arg); - if (ret) - return ret; - kval = val32; - - set_fs(KERNEL_DS); - ret = sys_ioctl(fd, (cmd == RTC_IRQP_SET32) ? - RTC_IRQP_SET : RTC_EPOCH_SET, - (unsigned long)&kval); - set_fs(oldfs); - return ret; + return sys_ioctl(fd, RTC_EPOCH_SET, arg); default: /* unreached */ return -ENOIOCTLCMD; |