diff options
| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-27 10:34:19 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-09-27 10:34:19 -0300 |
| commit | 1c29f4306f557ef5d9ed515ec8881f4d1735b058 (patch) | |
| tree | 1359b9f8403af67e35bbbaae36e2b60c9bb3d2da /arch/hexagon/include/asm/uaccess.h | |
| parent | 5b465b045af3a649a89b8a5c5bfdece20ffc0345 (diff) | |
Linux-libre 4.7.5-gnupck-4.7.5-gnu
Diffstat (limited to 'arch/hexagon/include/asm/uaccess.h')
| -rw-r--r-- | arch/hexagon/include/asm/uaccess.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/hexagon/include/asm/uaccess.h b/arch/hexagon/include/asm/uaccess.h index f000a382b..f61cfb28e 100644 --- a/arch/hexagon/include/asm/uaccess.h +++ b/arch/hexagon/include/asm/uaccess.h @@ -103,7 +103,8 @@ static inline long hexagon_strncpy_from_user(char *dst, const char __user *src, { long res = __strnlen_user(src, n); - /* return from strnlen can't be zero -- that would be rubbish. */ + if (unlikely(!res)) + return -EFAULT; if (res > n) { copy_from_user(dst, src, n); |