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author | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-21 02:08:07 +0100 |
---|---|---|
committer | Al Viro <viro@zeniv.linux.org.uk> | 2017-03-28 22:43:25 +0200 |
commit | db68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63 (patch) | |
tree | 77eda1d247853a2d414e0047c620b3c72bb11a1a /arch/mips/include/asm/checksum.h | |
parent | add asm-generic/extable.h (diff) | |
download | linux-db68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63.tar.xz linux-db68ce10c4f0a27c1ff9fa0e789e5c41f8c4ea63.zip |
new helper: uaccess_kernel()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/mips/include/asm/checksum.h')
-rw-r--r-- | arch/mips/include/asm/checksum.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/mips/include/asm/checksum.h b/arch/mips/include/asm/checksum.h index c8b574f7e0cc..77cad232a1c6 100644 --- a/arch/mips/include/asm/checksum.h +++ b/arch/mips/include/asm/checksum.h @@ -50,7 +50,7 @@ __wsum csum_partial_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *err_ptr) { might_fault(); - if (segment_eq(get_fs(), get_ds())) + if (uaccess_kernel()) return __csum_partial_copy_kernel((__force void *)src, dst, len, sum, err_ptr); else @@ -82,7 +82,7 @@ __wsum csum_and_copy_to_user(const void *src, void __user *dst, int len, { might_fault(); if (access_ok(VERIFY_WRITE, dst, len)) { - if (segment_eq(get_fs(), get_ds())) + if (uaccess_kernel()) return __csum_partial_copy_kernel(src, (__force void *)dst, len, sum, err_ptr); |