diff options
author | Andi Kleen <ak@suse.de> | 2006-06-26 13:59:47 +0200 |
---|---|---|
committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-06-26 10:48:22 -0700 |
commit | 6bfa9bb5195c68f75bd3937e4d77cb0bfe852d0d (patch) | |
tree | cb6833ec8a32ac4b139be375b706b7110004a799 /arch/x86_64/lib/usercopy.c | |
parent | 2ee60e17896c65da1df5780d3196c050bccb7d10 (diff) |
[PATCH] x86_64: Minor string functions optimizations
- Use tail call from clear_user to __clear_user to save some code size
- Use standard memcpy for forward memmove
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/x86_64/lib/usercopy.c')
-rw-r--r-- | arch/x86_64/lib/usercopy.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86_64/lib/usercopy.c b/arch/x86_64/lib/usercopy.c index a82bfacdb1af..893d43f838cc 100644 --- a/arch/x86_64/lib/usercopy.c +++ b/arch/x86_64/lib/usercopy.c @@ -55,7 +55,7 @@ strncpy_from_user(char *dst, const char __user *src, long count) { long res = -EFAULT; if (access_ok(VERIFY_READ, src, 1)) - __do_strncpy_from_user(dst, src, count, res); + return __strncpy_from_user(dst, src, count); return res; } EXPORT_SYMBOL(strncpy_from_user); |