[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 e7eed441eee628bfac670aae6988fbfd9282a54e..91a2b6b62884c3a446dd2936aa6bbce9bd922c4f 100644 (file)
--- 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) {