diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-21 21:33:17 -0400 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-08-21 21:33:17 -0400 |
commit | 1aaaa9acaea1dd2878d6c92b45e4c117ef425baf (patch) | |
tree | f1fe5948a6da8850862ae751da0b62dac351517f /lib/strnlen_user.c | |
parent | 73577d61799e8d8bb7d69a9acdc54923e5998138 (diff) | |
parent | fa8410b355251fd30341662a40ac6b22d3e38468 (diff) |
Merge 4.8-rc3 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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; } |