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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2020-02-18 13:01:02 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2020-05-29 16:11:49 -0400 |
| commit | 77a8710ba7ef7ffcb71f0618bddf78c1b04f01d3 (patch) | |
| tree | da070d513882510df04191e3c3bda35473fcd328 /arch/parisc/include/asm/checksum.h | |
| parent | alpha: turn csum_partial_copy_from_user() into csum_and_copy_from_user() (diff) | |
| download | linux-dev-77a8710ba7ef7ffcb71f0618bddf78c1b04f01d3.tar.xz linux-dev-77a8710ba7ef7ffcb71f0618bddf78c1b04f01d3.zip | |
parisc: turn csum_partial_copy_from_user() into csum_and_copy_from_user()
Already has the right semantics. Incidentally. failing copy_from_user()
zeroes the tail of destination - no need to repeat that manually
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/parisc/include/asm/checksum.h')
| -rw-r--r-- | arch/parisc/include/asm/checksum.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/parisc/include/asm/checksum.h b/arch/parisc/include/asm/checksum.h index c1c22819a04d..7c69ce9634c7 100644 --- a/arch/parisc/include/asm/checksum.h +++ b/arch/parisc/include/asm/checksum.h @@ -26,11 +26,12 @@ extern __wsum csum_partial(const void *, int, __wsum); */ extern __wsum csum_partial_copy_nocheck(const void *, void *, int, __wsum); +#define _HAVE_ARCH_COPY_AND_CSUM_FROM_USER /* * this is a new version of the above that records errors it finds in *errp, * but continues and zeros the rest of the buffer. */ -extern __wsum csum_partial_copy_from_user(const void __user *src, +extern __wsum csum_and_copy_from_user(const void __user *src, void *dst, int len, __wsum sum, int *errp); /* |