From: "wei.huang" <huang.wei56@xxxxxxxxxx> Problem: when we configure a device like vendor, product, revision all null in multipath.conf, hwe_regmatch always return 0. Reasons: \!hwe2->vendor, \!hwe2->product and \!hwe2->revision are all true. Signed-off-by: wei.huang <huang.wei56@xxxxxxxxxx> --- libmultipath/config.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/libmultipath/config.c b/libmultipath/config.c index a48b8af..d99cd75 100644 --- a/libmultipath/config.c +++ b/libmultipath/config.c @@ -80,7 +80,8 @@ hwe_regmatch (struct hwentry *hwe1, struct hwentry *hwe2) regcomp(&rre, hwe1->revision, REG_EXTENDED|REG_NOSUB)) goto out_pre; - if ((!hwe1->vendor || !hwe2->vendor || + if ((hwe2->vendor || hwe2->product || hwe2->revision) && + (!hwe1->vendor || !hwe2->vendor || !regexec(&vre, hwe2->vendor, 0, NULL, 0)) && (!hwe1->product || !hwe2->product || !regexec(&pre, hwe2->product, 0, NULL, 0)) && -- 2.8.1.windows.1 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel