summaryrefslogtreecommitdiff
path: root/arch/parisc
diff options
context:
space:
mode:
authorAl Viro <viro@zeniv.linux.org.uk>2020-02-18 14:26:32 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2020-05-29 16:11:50 -0400
commit5904122c46581a5ccee54a51ef07e0d891fd7aef (patch)
tree433bbafc1e3a3cdbfd291d51cfd858186683dff2 /arch/parisc
parent24f9aa928c3cc88bae573b39b6976844968f80a0 (diff)
take the dummy csum_and_copy_from_user() into net/checksum.h
now that can be done conveniently - all non-trivial cases have _HAVE_ARCH_COPY_AND_CSUM_FROM_USER defined, so the fallback in net/checksum.h is used only for dummy (copy_from_user, then csum_partial) implementation. Allowing us to get rid of all dummy instances, both of csum_and_copy_from_user() and csum_partial_copy_from_user(). Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/parisc')
-rw-r--r--arch/parisc/include/asm/checksum.h8
-rw-r--r--arch/parisc/lib/checksum.c14
2 files changed, 0 insertions, 22 deletions
diff --git a/arch/parisc/include/asm/checksum.h b/arch/parisc/include/asm/checksum.h
index 7c69ce9634c7..fe8c63b2d2c3 100644
--- a/arch/parisc/include/asm/checksum.h
+++ b/arch/parisc/include/asm/checksum.h
@@ -26,14 +26,6 @@ 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_and_copy_from_user(const void __user *src,
- void *dst, int len, __wsum sum, int *errp);
-
/*
* Optimized for IP headers, which always checksum on 4 octet boundaries.
*
diff --git a/arch/parisc/lib/checksum.c b/arch/parisc/lib/checksum.c
index 4e47c2ff2bcd..c6f161583549 100644
--- a/arch/parisc/lib/checksum.c
+++ b/arch/parisc/lib/checksum.c
@@ -123,17 +123,3 @@ __wsum csum_partial_copy_nocheck(const void *src, void *dst,
return sum;
}
EXPORT_SYMBOL(csum_partial_copy_nocheck);
-
-/*
- * Copy from userspace and compute checksum. If we catch an exception
- * then zero the rest of the buffer.
- */
-__wsum csum_and_copy_from_user(const void __user *src,
- void *dst, int len,
- __wsum sum, int *err_ptr)
-{
- if (copy_from_user(dst, src, len))
- *err_ptr = -EFAULT;
- return csum_partial(dst, len, sum);
-}
-EXPORT_SYMBOL(csum_and_copy_from_user);