If a path has neither pp->dev nor pp->dev_t set we cannot identify the path at all. So reject any path where this is not the case. Signed-off-by: Hannes Reinecke <hare@xxxxxxx> --- libmultipath/structs.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/libmultipath/structs.c b/libmultipath/structs.c index 39b2e05..937e4a2 100644 --- a/libmultipath/structs.c +++ b/libmultipath/structs.c @@ -283,6 +283,20 @@ free_multipathvec (vector mpvec, enum free_path_mode free_paths) int store_path (vector pathvec, struct path * pp) { + int err = 0; + + if (!strlen(pp->dev_t)) { + condlog(2, "%s: Empty device number", pp->dev); + err++; + } + if (!strlen(pp->dev)) { + condlog(2, "%s: Empty device name", pp->dev_t); + err++; + } + + if (err > 1) + return 1; + if (!vector_alloc_slot(pathvec)) return 1; -- 2.6.6 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel