From: kay.sievers@vrfy.org <kay.sievers@vrfy.org>
Date: Tue, 30 Dec 2003 09:07:57 +0000 (-0800)
Subject: [PATCH] check for empty symlink string
X-Git-Tag: 012~22
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0529e2ed2eb1ccfd28d2cd33ce759f9c7b9bc0ff;p=systemd

[PATCH] check for empty symlink string

Attached is a patch for udev-add.c to ignore empty symlink string parts.
Issue was brought up by ide-devfs.sh with only one symlink returned, while two are expected.
---

diff --git a/udev-add.c b/udev-add.c
index ba5c8641..2f72613e 100644
--- a/udev-add.c
+++ b/udev-add.c
@@ -193,7 +193,7 @@ static int create_node(struct udevice *dev)
 		symlinks = dev->symlink;
 		while (1) {
 			linkname = strsep(&symlinks, " ");
-			if (linkname == NULL)
+			if (linkname == NULL || linkname[0] == '\0')
 				break;
 
 			strncpy(filename, udev_root, sizeof(filename));