lkml.org 
[lkml]   [2019]   [Apr]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2] iov_iter: Fix build error without CONFIG_CRYPTO
Date
From: YueHaibing <yuehaibing@huawei.com>

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>
---
---
lib/iov_iter.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/lib/iov_iter.c b/lib/iov_iter.c
index 50e77ec..f74fa83 100644
--- a/lib/iov_iter.c
+++ b/lib/iov_iter.c
@@ -1531,6 +1531,7 @@ 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;
@@ -1540,6 +1541,9 @@ 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);

--
2.7.4

\
 
 \ /
  Last update: 2019-04-04 04:37    [W:0.111 / U:0.016 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site