If the path provides no information we should not print out empty strings, but rather an instructive message telling us so. References: bnc#872712 Signed-off-by: Hannes Reinecke <hare@xxxxxxx> --- libmultipath/structs_vec.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/libmultipath/structs_vec.c b/libmultipath/structs_vec.c index a15e3c0..a1f2212 100644 --- a/libmultipath/structs_vec.c +++ b/libmultipath/structs_vec.c @@ -226,6 +226,12 @@ extract_hwe_from_path(struct multipath * mpp) } if (pp) { + if (!strlen(pp->vendor_id) || + !strlen(pp->product_id) || + !strlen(pp->rev)) { + condlog(3, "%s: no device details available", pp->dev); + return NULL; + } condlog(3, "%s: vendor = %s", pp->dev, pp->vendor_id); condlog(3, "%s: product = %s", pp->dev, pp->product_id); condlog(3, "%s: rev = %s", pp->dev, pp->rev); -- 1.8.4.5 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel