From: Thomas Weißschuh <thomas@t-8ch.de>
Date: Wed, 28 Dec 2022 01:41:42 +0000 (+0000)
Subject: lib/sysfs: allow parent redirect even for non-queue files
X-Git-Tag: v2.39-rc1~349^2~2
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=e374978e6beb03b475f3ced757ab3a144d416373;p=thirdparty%2Futil-linux.git

lib/sysfs: allow parent redirect even for non-queue files

We will also need this redirect for other sysfs files.
---

diff --git a/lib/sysfs.c b/lib/sysfs.c
index 56eea5c645..4dfa54fa98 100644
--- a/lib/sysfs.c
+++ b/lib/sysfs.c
@@ -155,8 +155,8 @@ struct path_cxt *sysfs_blkdev_get_parent(struct path_cxt *pc)
 }
 
 /*
- * Redirects ENOENT errors to the parent, if the path is to the queue/
- * sysfs directory. For example
+ * Redirects ENOENT errors to the parent.
+ * For example
  *
  *	/sys/dev/block/8:1/queue/logical_block_size redirects to
  *	/sys/dev/block/8:0/queue/logical_block_size
@@ -165,7 +165,7 @@ static int sysfs_blkdev_enoent_redirect(struct path_cxt *pc, const char *path, i
 {
 	struct sysfs_blkdev *blk = ul_path_get_dialect(pc);
 
-	if (blk && blk->parent && path && strncmp(path, "queue/", 6) == 0) {
+	if (blk && blk->parent && path) {
 		*dirfd = ul_path_get_dirfd(blk->parent);
 		if (*dirfd >= 0) {
 			DBG(CXT, ul_debugobj(pc, "%s redirected to parent", path));