[PATCH 2/2] xfs_repair: check num before bplist[num]

Darrick J. Wong
2024-06-03T19:24:40Z

smatch complained about checking an array index before indexing the
array, so fix that.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
---
repair/prefetch.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/repair/prefetch.c b/repair/prefetch.c
index de36c5fe2..22efd54bf 100644
--- a/repair/prefetch.c
+++ b/repair/prefetch.c
@@ -494,7 +494,7 @@ pf_batch_read(
args->last_bno_read, &fsbno);
max_fsbno = fsbno + pf_max_fsbs;
}
- while (bplist[num] && num < MAX_BUFS && fsbno < max_fsbno) {
+ while (num < MAX_BUFS && bplist[num] && fsbno < max_fsbno) {
/*
* Discontiguous buffers need special handling, so stop
* gathering new buffers and process the list and this