From: Yu Watanabe <watanabe.yu+github@gmail.com>
Date: Thu, 12 May 2022 23:54:44 +0000 (+0900)
Subject: udev: ignore empty SR-IOV VF suffix
X-Git-Tag: v252-rc1~505^2~8
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=59611eb9b88ec160bf8c451a4560c3862b666252;p=thirdparty%2Fsystemd.git

udev: ignore empty SR-IOV VF suffix

It should not happen. Just for safety.
---

diff --git a/src/udev/udev-builtin-net_id.c b/src/udev/udev-builtin-net_id.c
index 63280440993..45387b2bdbe 100644
--- a/src/udev/udev-builtin-net_id.c
+++ b/src/udev/udev-builtin-net_id.c
@@ -126,7 +126,7 @@ static int get_virtfn_info(sd_device *pcidev, sd_device **ret_physfn_pcidev, cha
                 const char *n, *s;
 
                 n = startswith(de->d_name, "virtfn");
-                if (!n)
+                if (isempty(n))
                         continue;
 
                 if (sd_device_new_child(&virtfn_pcidev, physfn_pcidev, de->d_name) < 0)