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authorAl Viro <viro@zeniv.linux.org.uk>2015-12-07 00:49:22 +0300
committerAl Viro <viro@zeniv.linux.org.uk>2015-12-07 04:42:15 +0300
commit36f7a8a4cd2e99b7172ab8ed2130c5c841466824 (patch)
tree61c1e5e58d83de0c0b0a834c9715c40c3a2617db /lib
parent527e9316f8ec44bd53d90fb9f611fa7ffff52bb9 (diff)
downloadlinux-36f7a8a4cd2e99b7172ab8ed2130c5c841466824.tar.xz
iov_iter: constify {csum_and_,}copy_to_iter()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'lib')
-rw-r--r--lib/iov_iter.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index 75232ad0a5e7..bc6d85cc2036 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -369,7 +369,7 @@ static void memcpy_from_page(char *to, struct page *page, size_t offset, size_t
kunmap_atomic(from);
}
-static void memcpy_to_page(struct page *page, size_t offset, char *from, size_t len)
+static void memcpy_to_page(struct page *page, size_t offset, const char *from, size_t len)
{
char *to = kmap_atomic(page);
memcpy(to + offset, from, len);
@@ -383,9 +383,9 @@ static void memzero_page(struct page *page, size_t offset, size_t len)
kunmap_atomic(addr);
}
-size_t copy_to_iter(void *addr, size_t bytes, struct iov_iter *i)
+size_t copy_to_iter(const void *addr, size_t bytes, struct iov_iter *i)
{
- char *from = addr;
+ const char *from = addr;
if (unlikely(bytes > i->count))
bytes = i->count;
@@ -704,10 +704,10 @@ size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum,
}
EXPORT_SYMBOL(csum_and_copy_from_iter);
-size_t csum_and_copy_to_iter(void *addr, size_t bytes, __wsum *csum,
+size_t csum_and_copy_to_iter(const void *addr, size_t bytes, __wsum *csum,
struct iov_iter *i)
{
- char *from = addr;
+ const char *from = addr;
__wsum sum, next;
size_t off = 0;
if (unlikely(bytes > i->count))