diff options
author | Russell King <rmk+kernel@armlinux.org.uk> | 2016-10-06 08:56:43 +0100 |
---|---|---|
committer | Russell King <rmk+kernel@armlinux.org.uk> | 2016-10-06 08:56:43 +0100 |
commit | 301a36fa700f9add6e14f5a95c7573e01578343a (patch) | |
tree | 6ff94ff3b08b838353b9127eb5f8055b3de6b25f /lib/strnlen_user.c | |
parent | b828f960215f02e5d2c88bbd27565c694254a15a (diff) | |
parent | b60752f2b20c167859943e001727f0d4da419b23 (diff) | |
download | linux-301a36fa700f9add6e14f5a95c7573e01578343a.tar.bz2 |
Merge branches 'misc' and 'sa1111-base' into for-linus
Diffstat (limited to 'lib/strnlen_user.c')
-rw-r--r-- | lib/strnlen_user.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/lib/strnlen_user.c b/lib/strnlen_user.c index 2625943625d7..8e105ed4df12 100644 --- a/lib/strnlen_user.c +++ b/lib/strnlen_user.c @@ -45,8 +45,7 @@ static inline long do_strnlen_user(const char __user *src, unsigned long count, src -= align; max += align; - if (unlikely(unsafe_get_user(c,(unsigned long __user *)src))) - return 0; + unsafe_get_user(c, (unsigned long __user *)src, efault); c |= aligned_byte_mask(align); for (;;) { @@ -61,8 +60,7 @@ static inline long do_strnlen_user(const char __user *src, unsigned long count, if (unlikely(max <= sizeof(unsigned long))) break; max -= sizeof(unsigned long); - if (unlikely(unsafe_get_user(c,(unsigned long __user *)(src+res)))) - return 0; + unsafe_get_user(c, (unsigned long __user *)(src+res), efault); } res -= align; @@ -77,6 +75,7 @@ static inline long do_strnlen_user(const char __user *src, unsigned long count, * Nope: we hit the address space limit, and we still had more * characters the caller would have wanted. That's 0. */ +efault: return 0; } |