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| author | James Hogan <james.hogan@imgtec.com> | 2017-04-04 15:46:52 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-04-05 11:43:57 -0400 |
| commit | 840db3f93849830c4a55c795ddd6057ad40d4f2d (patch) | |
| tree | 1f9eab5f7853c2394c40029d38c003c24c34c1b0 /arch/metag/lib | |
| parent | a98bba563d262065f230193c4b56c6758e8b4c3b (diff) | |
| download | lwn-840db3f93849830c4a55c795ddd6057ad40d4f2d.tar.gz lwn-840db3f93849830c4a55c795ddd6057ad40d4f2d.zip | |
metag/usercopy: Switch to RAW_COPY_USER
Switch to using raw user copy instead of providing metag specific
[__]copy_{to,from}_user[_inatomic](). This simplifies the metag
uaccess.h and allows us to take advantage of extra checking in the
generic versions.
Signed-off-by: James Hogan <james.hogan@imgtec.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: linux-metag@vger.kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/metag/lib')
| -rw-r--r-- | arch/metag/lib/usercopy.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/metag/lib/usercopy.c b/arch/metag/lib/usercopy.c index 2792fc621088..e8a4ea83cabb 100644 --- a/arch/metag/lib/usercopy.c +++ b/arch/metag/lib/usercopy.c @@ -548,8 +548,8 @@ "SUB %1, %1, D0Ar2\n" \ "SUB %3, %3, D1Ar1\n") -unsigned long __copy_user(void __user *pdst, const void *psrc, - unsigned long n) +unsigned long raw_copy_to_user(void __user *pdst, const void *psrc, + unsigned long n) { register char __user *dst asm ("A0.2") = pdst; register const char *src asm ("A1.2") = psrc; @@ -654,7 +654,7 @@ unsigned long __copy_user(void __user *pdst, const void *psrc, */ return retn; } -EXPORT_SYMBOL(__copy_user); +EXPORT_SYMBOL(raw_copy_to_user); #define __asm_copy_from_user_1(to, from, ret) \ __asm_copy_user_cont(to, from, ret, \ |