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[PATCH] slab: use probe_kernel_address() 

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
hifive-unleashed-5.1
Andrew Morton 2006-12-06 20:36:41 -08:00 committed by Linus Torvalds
parent 20aa7b21b1
commit 138ae6631a
1 changed files with 2 additions and 5 deletions
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7
mm/slab.c
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@ -103,12 +103,12 @@
#include <linux/module.h>
#include <linux/rcupdate.h>
#include <linux/string.h>
#include <linux/uaccess.h>
#include <linux/nodemask.h>
#include <linux/mempolicy.h>
#include <linux/mutex.h>
#include <linux/rtmutex.h>
#include <asm/uaccess.h>
#include <asm/cacheflush.h>
#include <asm/tlbflush.h>
#include <asm/page.h>
@ -2124,7 +2124,6 @@ kmem_cache_create (const char *name, size_t size, size_t align,
mutex_lock(&cache_chain_mutex);
list_for_each_entry(pc, &cache_chain, next) {
mm_segment_t old_fs = get_fs();
char tmp;
int res;
@ -2133,9 +2132,7 @@ kmem_cache_create (const char *name, size_t size, size_t align,
* destroy its slab cache and no-one else reuses the vmalloc
* area of the module. Print a warning.
*/
set_fs(KERNEL_DS);
res = __get_user(tmp, pc->name);
set_fs(old_fs);
res = probe_kernel_address(pc->name, tmp);
if (res) {
printk("SLAB: cache with size %d has lost its name\n",
pc->buffer_size);