From: kay.sievers@vrfy.org <kay.sievers@vrfy.org>
Date: Sat, 23 Oct 2004 10:15:22 +0000 (+0200)
Subject: [PATCH] skip waiting for device if we get a bad event for class creation
X-Git-Tag: 042~6
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ab51035617d5725305b8ef98eff6b7c64f3ccec6;p=systemd

[PATCH] skip waiting for device if we get a bad event for class creation
---

diff --git a/wait_for_sysfs.c b/wait_for_sysfs.c
index e7eed441..91a2b6b6 100644
--- a/wait_for_sysfs.c
+++ b/wait_for_sysfs.c
@@ -99,6 +99,12 @@ int main(int argc, char *argv[], char *envp[])
 		snprintf(filename, SYSFS_PATH_MAX-1, "%s%s", sysfs_mnt_path, devpath);
 		filename[SYSFS_PATH_MAX-1] = '\0';
 
+		/* skip bad events where we get no device for the class */
+		if (strncmp(devpath, "/class/", 7) == 0 && strchr(&devpath[7], '/') == NULL) {
+			dbg("no device name for '%s', bad event", devpath);
+			goto exit;
+		}
+
 		/* open the class device we are called for */
 		class_dev = open_class_device_wait(filename);
 		if (!class_dev) {