If a new block was allocated, but couldn't be filled, getblock will
discard it. When it does so, it needs to free the block to avoid leaking
memory. Found by coverity.
Signed-off-by: Benjamin Marzinski <bmarzins@xxxxxxxxxx>
Reviewed-by: Martin Wilck <mwilck@xxxxxxxx>
---
kpartx/kpartx.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kpartx/kpartx.c b/kpartx/kpartx.c
index 8ff116b8..7bc64543 100644
--- a/kpartx/kpartx.c
+++ b/kpartx/kpartx.c
@@ -766,6 +766,8 @@ getblock (int fd, unsigned int blknr) {
if (read(fd, bp->block, secsz) != secsz) {
fprintf(stderr, "read error, sector %d\n", secnr);
blockhead = bp->next;
+ free(bp->block);
+ free(bp);
return NULL;
}
--
2.17.2
--
dm-devel mailing list
dm-devel@xxxxxxxxxx
https://listman.redhat.com/mailman/listinfo/dm-devel
