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-rw-r--r--arch/x86/lib/usercopy.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/lib/usercopy.c b/arch/x86/lib/usercopy.c
index 57252c928f56..d6ae30bbd7bb 100644
--- a/arch/x86/lib/usercopy.c
+++ b/arch/x86/lib/usercopy.c
@@ -57,7 +57,7 @@ static inline unsigned long count_bytes(unsigned long mask)
* hit it), 'max' is the address space maximum (and we return
* -EFAULT if we hit it).
*/
-static inline long do_strncpy_from_user(char *dst, const char __user *src, long count, long max)
+static inline long do_strncpy_from_user(char *dst, const char __user *src, long count, unsigned long max)
{
long res = 0;
@@ -100,7 +100,7 @@ static inline long do_strncpy_from_user(char *dst, const char __user *src, long
* too? If so, that's ok - we got as much as the user asked for.
*/
if (res >= count)
- return count;
+ return res;
/*
* Nope: we hit the address space limit, and we still had more