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path: root/drivers/staging/unisys/uislib/uisutils.c
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Diffstat (limited to 'drivers/staging/unisys/uislib/uisutils.c')
-rw-r--r--drivers/staging/unisys/uislib/uisutils.c99
1 files changed, 45 insertions, 54 deletions
diff --git a/drivers/staging/unisys/uislib/uisutils.c b/drivers/staging/unisys/uislib/uisutils.c
index 4a5b86773927..31318d246252 100644
--- a/drivers/staging/unisys/uislib/uisutils.c
+++ b/drivers/staging/unisys/uislib/uisutils.c
@@ -42,14 +42,13 @@ atomic_t uisutils_registered_services = ATOMIC_INIT(0);
* uisctrl_register_req_handler() or
* uisctrl_register_req_handler_ex() */
-
/*****************************************************/
/* Utility functions */
/*****************************************************/
int
uisutil_add_proc_line_ex(int *total, char **buffer, int *buffer_remaining,
- char *format, ...)
+ char *format, ...)
{
va_list args;
int len;
@@ -57,6 +56,7 @@ uisutil_add_proc_line_ex(int *total, char **buffer, int *buffer_remaining,
DBGINF("buffer = 0x%p : *buffer = 0x%p.\n", buffer, *buffer);
va_start(args, format);
len = vsnprintf(*buffer, *buffer_remaining, format, args);
+ va_end(args);
if (len >= *buffer_remaining) {
*buffer += *buffer_remaining;
*total += *buffer_remaining;
@@ -96,7 +96,7 @@ uisctrl_register_req_handler(int type, void *fptr,
}
if (chipset_driver_info)
bus_device_info_init(chipset_driver_info, "chipset", "uislib",
- VERSION, NULL);
+ VERSION, NULL);
return 1;
}
@@ -113,66 +113,57 @@ uisctrl_register_req_handler_ex(uuid_le switch_uuid,
u32 client_str_len, u64 bytes),
struct ultra_vbus_deviceinfo *chipset_driver_info)
{
- struct req_handler_info *pReqHandlerInfo;
- int rc = 0; /* assume failure */
+ struct req_handler_info *req_handler;
LOGINF("type=%pUL, controlfunc=0x%p.\n",
&switch_uuid, controlfunc);
if (!controlfunc) {
LOGERR("%pUL: controlfunc must be supplied\n", &switch_uuid);
- goto Away;
+ return 0;
}
if (!server_channel_ok) {
LOGERR("%pUL: Server_Channel_Ok must be supplied\n",
&switch_uuid);
- goto Away;
+ return 0;
}
if (!server_channel_init) {
LOGERR("%pUL: Server_Channel_Init must be supplied\n",
&switch_uuid);
- goto Away;
+ return 0;
}
- pReqHandlerInfo = req_handler_add(switch_uuid,
- switch_type_name,
- controlfunc,
- min_channel_bytes,
- server_channel_ok, server_channel_init);
- if (!pReqHandlerInfo) {
+ req_handler = req_handler_add(switch_uuid,
+ switch_type_name,
+ controlfunc,
+ min_channel_bytes,
+ server_channel_ok, server_channel_init);
+ if (!req_handler) {
LOGERR("failed to add %pUL to server list\n", &switch_uuid);
- goto Away;
+ return 0;
}
atomic_inc(&uisutils_registered_services);
- rc = 1; /* success */
-Away:
- if (rc) {
- if (chipset_driver_info)
- bus_device_info_init(chipset_driver_info, "chipset",
- "uislib", VERSION, NULL);
- } else
- LOGERR("failed to register type %pUL.\n", &switch_uuid);
+ if (chipset_driver_info) {
+ bus_device_info_init(chipset_driver_info, "chipset",
+ "uislib", VERSION, NULL);
+ return 1;
+ }
- return rc;
+ LOGERR("failed to register type %pUL.\n", &switch_uuid);
+ return 0;
}
EXPORT_SYMBOL_GPL(uisctrl_register_req_handler_ex);
int
uisctrl_unregister_req_handler_ex(uuid_le switch_uuid)
{
- int rc = 0; /* assume failure */
-
LOGINF("type=%pUL.\n", &switch_uuid);
if (req_handler_del(switch_uuid) < 0) {
LOGERR("failed to remove %pUL from server list\n",
- &switch_uuid);
- goto Away;
+ &switch_uuid);
+ return 0;
}
atomic_dec(&uisutils_registered_services);
- rc = 1; /* success */
-Away:
- if (!rc)
- LOGERR("failed to unregister type %pUL.\n", &switch_uuid);
- return rc;
+ return 1;
}
EXPORT_SYMBOL_GPL(uisctrl_unregister_req_handler_ex);
@@ -214,10 +205,10 @@ uisutil_copy_fragsinfo_from_skb(unsigned char *calling_ctx, void *skb_in,
frags[count].pi_pfn =
page_to_pfn(virt_to_page(skb->data + offset));
frags[count].pi_off =
- (unsigned long) (skb->data + offset) & PI_PAGE_MASK;
+ (unsigned long)(skb->data + offset) & PI_PAGE_MASK;
size =
min(firstfraglen,
- (unsigned int) (PI_PAGE_SIZE - frags[count].pi_off));
+ (unsigned int)(PI_PAGE_SIZE - frags[count].pi_off));
/* can take smallest of firstfraglen(what's left) OR
* bytes left in the page
*/
@@ -231,7 +222,7 @@ uisutil_copy_fragsinfo_from_skb(unsigned char *calling_ctx, void *skb_in,
if ((count + numfrags) > frags_max) {
LOGERR("**** FAILED %s frags array too small: max:%d count+nr_frags:%d\n",
- calling_ctx, frags_max, count + numfrags);
+ calling_ctx, frags_max, count + numfrags);
return -1; /* failure */
}
@@ -255,7 +246,6 @@ dolist: if (skb_shinfo(skb)->frag_list) {
for (skbinlist = skb_shinfo(skb)->frag_list; skbinlist;
skbinlist = skbinlist->next) {
-
c = uisutil_copy_fragsinfo_from_skb("recursive",
skbinlist,
skbinlist->len - skbinlist->data_len,
@@ -272,17 +262,18 @@ dolist: if (skb_shinfo(skb)->frag_list) {
}
EXPORT_SYMBOL_GPL(uisutil_copy_fragsinfo_from_skb);
-static LIST_HEAD(ReqHandlerInfo_list); /* list of struct req_handler_info */
-static DEFINE_SPINLOCK(ReqHandlerInfo_list_lock);
+static LIST_HEAD(req_handler_info_list); /* list of struct req_handler_info */
+static DEFINE_SPINLOCK(req_handler_info_list_lock);
struct req_handler_info *
req_handler_add(uuid_le switch_uuid,
const char *switch_type_name,
int (*controlfunc)(struct io_msgs *),
unsigned long min_channel_bytes,
- int (*Server_Channel_Ok)(unsigned long channelBytes),
- int (*Server_Channel_Init)
- (void *x, unsigned char *clientStr, u32 clientStrLen, u64 bytes))
+ int (*server_channel_ok)(unsigned long channel_bytes),
+ int (*server_channel_init)
+ (void *x, unsigned char *clientstr, u32 clientstr_len,
+ u64 bytes))
{
struct req_handler_info *rc = NULL;
@@ -292,14 +283,14 @@ req_handler_add(uuid_le switch_uuid,
rc->switch_uuid = switch_uuid;
rc->controlfunc = controlfunc;
rc->min_channel_bytes = min_channel_bytes;
- rc->server_channel_ok = Server_Channel_Ok;
- rc->server_channel_init = Server_Channel_Init;
+ rc->server_channel_ok = server_channel_ok;
+ rc->server_channel_init = server_channel_init;
if (switch_type_name)
strncpy(rc->switch_type_name, switch_type_name,
sizeof(rc->switch_type_name) - 1);
- spin_lock(&ReqHandlerInfo_list_lock);
- list_add_tail(&(rc->list_link), &ReqHandlerInfo_list);
- spin_unlock(&ReqHandlerInfo_list_lock);
+ spin_lock(&req_handler_info_list_lock);
+ list_add_tail(&rc->list_link, &req_handler_info_list);
+ spin_unlock(&req_handler_info_list_lock);
return rc;
}
@@ -310,15 +301,15 @@ req_handler_find(uuid_le switch_uuid)
struct list_head *lelt, *tmp;
struct req_handler_info *entry = NULL;
- spin_lock(&ReqHandlerInfo_list_lock);
- list_for_each_safe(lelt, tmp, &ReqHandlerInfo_list) {
+ spin_lock(&req_handler_info_list_lock);
+ list_for_each_safe(lelt, tmp, &req_handler_info_list) {
entry = list_entry(lelt, struct req_handler_info, list_link);
if (uuid_le_cmp(entry->switch_uuid, switch_uuid) == 0) {
- spin_unlock(&ReqHandlerInfo_list_lock);
+ spin_unlock(&req_handler_info_list_lock);
return entry;
}
}
- spin_unlock(&ReqHandlerInfo_list_lock);
+ spin_unlock(&req_handler_info_list_lock);
return NULL;
}
@@ -329,8 +320,8 @@ req_handler_del(uuid_le switch_uuid)
struct req_handler_info *entry = NULL;
int rc = -1;
- spin_lock(&ReqHandlerInfo_list_lock);
- list_for_each_safe(lelt, tmp, &ReqHandlerInfo_list) {
+ spin_lock(&req_handler_info_list_lock);
+ list_for_each_safe(lelt, tmp, &req_handler_info_list) {
entry = list_entry(lelt, struct req_handler_info, list_link);
if (uuid_le_cmp(entry->switch_uuid, switch_uuid) == 0) {
list_del(lelt);
@@ -338,6 +329,6 @@ req_handler_del(uuid_le switch_uuid)
rc++;
}
}
- spin_unlock(&ReqHandlerInfo_list_lock);
+ spin_unlock(&req_handler_info_list_lock);
return rc;
}