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| author | Ingo Molnar <mingo@kernel.org> | 2016-09-26 12:12:45 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-09-26 12:12:45 +0300 |
| commit | 6fae257f0b294d7abe7adfb08277bfd5472ed717 (patch) | |
| tree | 22ee5582cff79487dac0d26bbc07593980472428 /arch/sh/include | |
| parent | 7cc4ef8ed132e72ba44804cae3ddb2587ff757d6 (diff) | |
| parent | 08895a8b6b06ed2323cd97a36ee40a116b3db8ed (diff) | |
| download | linux-6fae257f0b294d7abe7adfb08277bfd5472ed717.tar.xz | |
Merge tag 'v4.8-rc8' into ras/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'arch/sh/include')
| -rw-r--r-- | arch/sh/include/asm/atomic-llsc.h | 2 | ||||
| -rw-r--r-- | arch/sh/include/asm/uaccess.h | 5 | ||||
| -rw-r--r-- | arch/sh/include/asm/uaccess_64.h | 1 |
3 files changed, 6 insertions, 2 deletions
diff --git a/arch/sh/include/asm/atomic-llsc.h b/arch/sh/include/asm/atomic-llsc.h index caea2c45f6c2..1d159ce50f5a 100644 --- a/arch/sh/include/asm/atomic-llsc.h +++ b/arch/sh/include/asm/atomic-llsc.h @@ -60,7 +60,7 @@ static inline int atomic_fetch_##op(int i, atomic_t *v) \ " movco.l %0, @%3 \n" \ " bf 1b \n" \ " synco \n" \ - : "=&z" (temp), "=&z" (res) \ + : "=&z" (temp), "=&r" (res) \ : "r" (i), "r" (&v->counter) \ : "t"); \ \ diff --git a/arch/sh/include/asm/uaccess.h b/arch/sh/include/asm/uaccess.h index a49635c51266..92ade79ac427 100644 --- a/arch/sh/include/asm/uaccess.h +++ b/arch/sh/include/asm/uaccess.h @@ -151,7 +151,10 @@ copy_from_user(void *to, const void __user *from, unsigned long n) __kernel_size_t __copy_size = (__kernel_size_t) n; if (__copy_size && __access_ok(__copy_from, __copy_size)) - return __copy_user(to, from, __copy_size); + __copy_size = __copy_user(to, from, __copy_size); + + if (unlikely(__copy_size)) + memset(to + (n - __copy_size), 0, __copy_size); return __copy_size; } diff --git a/arch/sh/include/asm/uaccess_64.h b/arch/sh/include/asm/uaccess_64.h index c01376c76b86..ca5073dd4596 100644 --- a/arch/sh/include/asm/uaccess_64.h +++ b/arch/sh/include/asm/uaccess_64.h @@ -24,6 +24,7 @@ #define __get_user_size(x,ptr,size,retval) \ do { \ retval = 0; \ + x = 0; \ switch (size) { \ case 1: \ retval = __get_user_asm_b((void *)&x, \ |