diff options
| author | YueHaibing <yuehaibing@huawei.com> | 2019-04-04 10:31:14 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-10 18:36:08 +0200 |
| commit | 9680a806201d763b9f662b21f28570df7df56d88 (patch) | |
| tree | 5bd3e625eed1904005ed3d1e122aaf4ce5e8c321 /lib | |
| parent | 2e94d4e8f2b9ea26e933b8cd1fef5b4b7a3f23db (diff) | |
iov_iter: Fix build error without CONFIG_CRYPTO
[ Upstream commit 27fad74a5a77fe2e1f876db7bf27efcf2ec304b2 ]
If CONFIG_CRYPTO is not set or set to m,
gcc building warn this:
lib/iov_iter.o: In function `hash_and_copy_to_iter':
iov_iter.c:(.text+0x9129): undefined reference to `crypto_stats_get'
iov_iter.c:(.text+0x9152): undefined reference to `crypto_stats_ahash_update'
Reported-by: Hulk Robot <hulkci@huawei.com>
Fixes: d05f443554b3 ("iov_iter: introduce hash_and_copy_to_iter helper")
Suggested-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/iov_iter.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/iov_iter.c b/lib/iov_iter.c index be4bd627caf0..a0d1cd88f903 100644 --- a/lib/iov_iter.c +++ b/lib/iov_iter.c @@ -1515,6 +1515,7 @@ 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; @@ -1524,6 +1525,9 @@ 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); |