On 4/6/20 11:52 AM, Darrick J. Wong wrote:
From: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Don't crash if we failed to write a buffer that had no buffer verifier.
This should be rare in practice, but coverity found a valid bug.
Coverity-id: 1460462
Signed-off-by: Darrick J. Wong <darrick.wong@xxxxxxxxxx>
Looks ok:
Reviewed-by: Allison Collins <allison.henderson@xxxxxxxxxx>
---
libxfs/rdwr.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libxfs/rdwr.c b/libxfs/rdwr.c
index 3c43a4d0..8a690269 100644
--- a/libxfs/rdwr.c
+++ b/libxfs/rdwr.c
@@ -1028,7 +1028,7 @@ libxfs_bwrite(
if (bp->b_error) {
fprintf(stderr,
_("%s: write failed on %s bno 0x%llx/0x%x, err=%d\n"),
- __func__, bp->b_ops->name,
+ __func__, bp->b_ops ? bp->b_ops->name : "(unknown)",
(long long)bp->b_bn, bp->b_bcount, -bp->b_error);
} else {
bp->b_flags |= LIBXFS_B_UPTODATE;
