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authorDavid S. Miller <davem@davemloft.net>2010-09-08 23:49:04 -0700
committerDavid S. Miller <davem@davemloft.net>2010-09-08 23:49:04 -0700
commite199e6136ce6b151e6638ae93dca60748424d900 (patch)
tree0d66e0b5d227c36b005e4f5537f4bbcfc6ed4904 /mm/util.c
parent972c40b5bee429c84ba727f8ac0a08292bc5dc3d (diff)
parentd56557af19867edb8c0e96f8e26399698a08857f (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'mm/util.c')
-rw-r--r--mm/util.c11
1 files changed, 3 insertions, 8 deletions
diff --git a/mm/util.c b/mm/util.c
index f5712e8964b..4735ea48181 100644
--- a/mm/util.c
+++ b/mm/util.c
@@ -225,15 +225,10 @@ char *strndup_user(const char __user *s, long n)
if (length > n)
return ERR_PTR(-EINVAL);
- p = kmalloc(length, GFP_KERNEL);
+ p = memdup_user(s, length);
- if (!p)
- return ERR_PTR(-ENOMEM);
-
- if (copy_from_user(p, s, length)) {
- kfree(p);
- return ERR_PTR(-EFAULT);
- }
+ if (IS_ERR(p))
+ return p;
p[length - 1] = '\0';