diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2015-12-06 16:49:22 -0500 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-12-06 20:42:15 -0500 |
| commit | 36f7a8a4cd2e99b7172ab8ed2130c5c841466824 (patch) | |
| tree | 61c1e5e58d83de0c0b0a834c9715c40c3a2617db /lib/iov_iter.c | |
| parent | 527e9316f8ec44bd53d90fb9f611fa7ffff52bb9 (diff) | |
iov_iter: constify {csum_and_,}copy_to_iter()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'lib/iov_iter.c')
| -rw-r--r-- | lib/iov_iter.c | 10 |
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 | |||
| 369 | kunmap_atomic(from); | 369 | kunmap_atomic(from); |
| 370 | } | 370 | } |
| 371 | 371 | ||
| 372 | static void memcpy_to_page(struct page *page, size_t offset, char *from, size_t len) | 372 | static void memcpy_to_page(struct page *page, size_t offset, const char *from, size_t len) |
| 373 | { | 373 | { |
| 374 | char *to = kmap_atomic(page); | 374 | char *to = kmap_atomic(page); |
| 375 | memcpy(to + offset, from, len); | 375 | memcpy(to + offset, from, len); |
| @@ -383,9 +383,9 @@ static void memzero_page(struct page *page, size_t offset, size_t len) | |||
| 383 | kunmap_atomic(addr); | 383 | kunmap_atomic(addr); |
| 384 | } | 384 | } |
| 385 | 385 | ||
| 386 | size_t copy_to_iter(void *addr, size_t bytes, struct iov_iter *i) | 386 | size_t copy_to_iter(const void *addr, size_t bytes, struct iov_iter *i) |
| 387 | { | 387 | { |
| 388 | char *from = addr; | 388 | const char *from = addr; |
| 389 | if (unlikely(bytes > i->count)) | 389 | if (unlikely(bytes > i->count)) |
| 390 | bytes = i->count; | 390 | bytes = i->count; |
| 391 | 391 | ||
| @@ -704,10 +704,10 @@ size_t csum_and_copy_from_iter(void *addr, size_t bytes, __wsum *csum, | |||
| 704 | } | 704 | } |
| 705 | EXPORT_SYMBOL(csum_and_copy_from_iter); | 705 | EXPORT_SYMBOL(csum_and_copy_from_iter); |
| 706 | 706 | ||
| 707 | size_t csum_and_copy_to_iter(void *addr, size_t bytes, __wsum *csum, | 707 | size_t csum_and_copy_to_iter(const void *addr, size_t bytes, __wsum *csum, |
| 708 | struct iov_iter *i) | 708 | struct iov_iter *i) |
| 709 | { | 709 | { |
| 710 | char *from = addr; | 710 | const char *from = addr; |
| 711 | __wsum sum, next; | 711 | __wsum sum, next; |
| 712 | size_t off = 0; | 712 | size_t off = 0; |
| 713 | if (unlikely(bytes > i->count)) | 713 | if (unlikely(bytes > i->count)) |