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authorLinus Torvalds2019-04-10 04:20:59 +0200
committerLinus Torvalds2019-04-10 04:20:59 +0200
commit972acfb49446b30a3533ceb5682bf8350c786bc8 (patch)
tree27f194c8b6e171bb800bfd611b8c7529ddff10b5 /lib
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff)
parentaio: use kmem_cache_free() instead of kfree() (diff)
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Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull misc fixes from Al Viro: "A few regression fixes from this cycle" * 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: aio: use kmem_cache_free() instead of kfree() iov_iter: Fix build error without CONFIG_CRYPTO aio: Fix an error code in __io_submit_one()
Diffstat (limited to 'lib')
-rw-r--r--lib/iov_iter.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index ea36dc355da1..b396d328a764 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -1528,6 +1528,7 @@ EXPORT_SYMBOL(csum_and_copy_to_iter);
size_t hash_and_copy_to_iter(const void *addr, size_t bytes, void *hashp,
struct iov_iter *i)
{
+#ifdef CONFIG_CRYPTO
struct ahash_request *hash = hashp;
struct scatterlist sg;
size_t copied;
@@ -1537,6 +1538,9 @@ size_t hash_and_copy_to_iter(const void *addr, size_t bytes, void *hashp,
ahash_request_set_crypt(hash, &sg, NULL, copied);
crypto_ahash_update(hash);
return copied;
+#else
+ return 0;
+#endif
}
EXPORT_SYMBOL(hash_and_copy_to_iter);