libblkid: topology - ignore non-blockdevs

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/shlibs/blkid/src/topology/topology.c b/shlibs/blkid/src/topology/topology.c
index 32d800f4458cd5ce6182d181c3843a25484034a9..d1fb86f53a74a190449ce37db45128a710e5fbcd 100644 (file)
--- a/shlibs/blkid/src/topology/topology.c
+++ b/shlibs/blkid/src/topology/topology.c
@@ -135,6 +135,9 @@ static int topology_probe(blkid_probe pr, struct blkid_chain *chn)
        if (!pr || chn->idx < -1)
                return -1;
 
+       if (!S_ISBLK(pr->mode))
+               return -1;      /* nothing, works with block devices only */
+
        if (chn->binary) {
                DBG(DEBUG_LOWPROBE, printf("initialize topology binary data\n"));