VisionFive2 Linux kernel

author: Xiao Ni <xni@redhat.com> 2021-05-28 14:16:38 +0800 committer: Song Liu <song@kernel.org> 2021-06-10 19:40:14 -0700 commit: 9be148e408df7d361ec5afd6299b7736ff3928b0 parent: 41fe8d088e96472f63164e213de44ec77be69478

Commit Summary:

async_xor: check src_offs is not NULL before updating it

Diffstat:

1 file changed, 2 insertions, 1 deletion

diff --git a/crypto/async_tx/async_xor.c b/crypto/async_tx/async_xor.c
index 6cd7f7025df4..d8a91521144e 100644
--- a/crypto/async_tx/async_xor.c
+++ b/crypto/async_tx/async_xor.c
@@ -233,7 +233,8 @@ async_xor_offs(struct page *dest, unsigned int offset,
 		if (submit->flags & ASYNC_TX_XOR_DROP_DST) {
 			src_cnt--;
 			src_list++;
-			src_offs++;
+			if (src_offs)
+				src_offs++;
 		}
 
 		/* wait for any prerequisite operations */