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From: Olaf Hering <olh@suse.de>
To: linux-hotplug@vger.kernel.org
Subject: Re: udev causing stale device nodes
Date: Mon, 23 Feb 2004 21:05:07 +0000	[thread overview]
Message-ID: <20040223210507.GA25332@suse.de> (raw)
In-Reply-To: <200402231420.17309.arnd@arndb.de>

 On Mon, Feb 23, Arnd Bergmann wrote:

> a) Always remove all udev-created nodes before udev starts

Do you know a good reason to not rm the node and symlink before
creating them? I do it that way.


--- udev-add.c.orig	2004-02-17 18:40:39.000000000 +0000
+++ udev-add.c	2004-02-17 18:53:47.000000000 +0000
@@ -103,6 +103,7 @@ static int make_node(char *filename, int
 {
 	int retval;
 
+	unlink(filename);
 	retval = mknod(filename, mode, makedev(major, minor));
 	if (retval != 0) {
 		dbg("mknod(%s, %#o, %u, %u) failed with error '%s'",
@@ -133,7 +134,6 @@ static int make_node(char *filename, int
 
 static int create_node(struct udevice *dev, int fake)
 {
-	struct stat stats;
 	char filename[255];
 	char linktarget[255];
 	char partitionname[255];
@@ -247,18 +247,13 @@ static int create_node(struct udevice *d
 				i++;
 			}
 
-			if (linktarget[0] = '\0')
-				strcpy(linktarget, "./");
 			strcat(linktarget, &dev->name[tail]);
 
 			/* unlink existing files to ensure that our symlink is created */
-			if (!fake && (lstat(filename, &stats) = 0)) {
-				if ((stats.st_mode & S_IFMT) != S_IFDIR) {
+			if (!fake)
 					if (unlink(filename))
 						dbg("unlink(%s) failed with error '%s'",
 						    filename, strerror(errno));
-				}
-			}
 
 			dbg("symlink(%s, %s)", linktarget, filename);
 			if (!fake) {

-- 
USB is for mice, FireWire is for men!

sUse lINUX ag, n√úRNBERG


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  reply	other threads:[~2004-02-23 21:05 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2004-02-23 13:20 udev causing stale device nodes Arnd Bergmann
2004-02-23 21:05 ` Olaf Hering [this message]
2004-02-23 22:35 ` Greg KH
2004-02-23 23:12 ` Kay Sievers
2004-02-23 23:16 ` Arnd Bergmann

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