diff options
| author |   Ingo Molnar <mingo@kernel.org> | 2016-09-20 16:58:59 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-09-20 16:58:59 +0200 |
| commit | 41a66072c32978ff3914fd6be88f7592ef64bef7 (patch) | |
| tree | 0f38ef433f0feea3e58f61f8d5397cd9bf065559 /arch/metag/include/asm/uaccess.h | |
| parent | Merge tag 'efi-next' of git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi into efi/core (diff) | |
| parent | Merge tag 'efi-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/mfleming/efi into efi/urgent (diff) | |
| download | linux-dev-41a66072c32978ff3914fd6be88f7592ef64bef7.tar.xz linux-dev-41a66072c32978ff3914fd6be88f7592ef64bef7.zip | |
Merge branch 'efi/urgent' into efi/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/metag/include/asm/uaccess.h')
| -rw-r--r-- | arch/metag/include/asm/uaccess.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/metag/include/asm/uaccess.h b/arch/metag/include/asm/uaccess.h index 8282cbce7e39..273e61225c27 100644 --- a/arch/metag/include/asm/uaccess.h +++ b/arch/metag/include/asm/uaccess.h @@ -204,8 +204,9 @@ extern unsigned long __must_check __copy_user_zeroing(void *to, static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) { - if (access_ok(VERIFY_READ, from, n)) + if (likely(access_ok(VERIFY_READ, from, n))) return __copy_user_zeroing(to, from, n); + memset(to, 0, n); return n; } |