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| author | Al Viro <viro@zeniv.linux.org.uk> | 2020-02-17 01:11:48 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2020-05-29 23:11:48 +0300 |
| commit | c281a6c1ac6b0867e4341ea801030fa9a62157f9 (patch) | |
| tree | 9ed14578728ee19f2fcea2dab837888d2ad0503d /arch/x86/include/asm/checksum_32.h | |
| parent | 0a5ea224b2fdf9dca9291ef7b5a12fd846a5dc34 (diff) | |
| download | linux-c281a6c1ac6b0867e4341ea801030fa9a62157f9.tar.xz | |
x86: switch 32bit csum_and_copy_to_user() to user_access_{begin,end}()
consolidate HAVE_CSUM_COPY_USER for 32bit and 64bit, while are at it
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/x86/include/asm/checksum_32.h')
| -rw-r--r-- | arch/x86/include/asm/checksum_32.h | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/arch/x86/include/asm/checksum_32.h b/arch/x86/include/asm/checksum_32.h index 2487b7fc2d24..11624c8a9d8d 100644 --- a/arch/x86/include/asm/checksum_32.h +++ b/arch/x86/include/asm/checksum_32.h @@ -176,7 +176,6 @@ static inline __sum16 csum_ipv6_magic(const struct in6_addr *saddr, /* * Copy and checksum to user */ -#define HAVE_CSUM_COPY_USER static inline __wsum csum_and_copy_to_user(const void *src, void __user *dst, int len, __wsum sum, @@ -185,11 +184,10 @@ static inline __wsum csum_and_copy_to_user(const void *src, __wsum ret; might_sleep(); - if (access_ok(dst, len)) { - stac(); + if (user_access_begin(dst, len)) { ret = csum_partial_copy_generic(src, (__force void *)dst, len, sum, NULL, err_ptr); - clac(); + user_access_end(); return ret; } |