From aa8a601084f7f0fc74fc561e12b42f8d7e3a6fe9 Mon Sep 17 00:00:00 2001
From: Denis Vlasenko
Date: Sat, 29 Mar 2008 16:07:46 +0000
Subject: mdev: fix block/char device detection. Closes bug 2144.

---
 util-linux/mdev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

(limited to 'util-linux')

diff --git a/util-linux/mdev.c b/util-linux/mdev.c
index c4c4350..c8d603b 100644
--- a/util-linux/mdev.c
+++ b/util-linux/mdev.c
@@ -69,7 +69,9 @@ static void make_device(char *path, int delete)
 
 	/* Determine device name, type, major and minor */
 	device_name = bb_basename(path);
-	type = (path[5] == 'c' ? S_IFCHR : S_IFBLK); /* "/sys/[c]lass"? */
+	/* http://kernel.org/doc/pending/hotplug.txt says that only
+	 * "/sys/block/..." is for block devices. "sys/bus" etc is not! */
+	type = (strncmp(&path[5], "block/", 6) == 0 ? S_IFBLK : S_IFCHR);
 
 	if (ENABLE_FEATURE_MDEV_CONF) {
 		FILE *fp;
-- 
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