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.

thanks,
Kay

diff -Nru a/udev-add.c b/udev-add.c
@@ -193,7 +193,7 @@
 		symlinks = dev->symlink;
 		while (1) {
 			linkname = strsep(&symlinks, " ");
-			if (linkname == NULL)
+			if (linkname == NULL || linkname[0] == '\0')
 				break;
 
 			strncpy(filename, udev_root, sizeof(filename));

Applied, thanks.

greg k-h

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