[PATCH 24/23] md: remove slashes from disk names when creation dev names in sysfs

[Chris Wright <chrisw@sous-sol.org>]

-stable review patch.  If anyone has any objections, please let us know.
(this should've been in the series.  i missed this one, mea culpa)
------------------

e.g. The sx8 driver uses names like sx8/0.

This would make a md component dev name like

   /sys/block/md0/md/dev-sx8/0

which is not allowed.  So we change the '/' to '!' just like
fs/partitions/check.c(register_disk) does.

Signed-off-by: Neil Brown <neilb@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Signed-off-by: Chris Wright <chrisw@sous-sol.org>
---
 drivers/md/md.c |    3 +++
 1 files changed, 3 insertions(+)

--- linux-2.6.15.3.orig/drivers/md/md.c
+++ linux-2.6.15.3/drivers/md/md.c
@@ -1182,6 +1182,7 @@ static int bind_rdev_to_array(mdk_rdev_t
 	mdk_rdev_t *same_pdev;
 	char b[BDEVNAME_SIZE], b2[BDEVNAME_SIZE];
 	struct kobject *ko;
+	char *s;
 
 	if (rdev->mddev) {
 		MD_BUG();
@@ -1213,6 +1214,8 @@ static int bind_rdev_to_array(mdk_rdev_t
 	bdevname(rdev->bdev,b);
 	if (kobject_set_name(&rdev->kobj, "dev-%s", b) < 0)
 		return -ENOMEM;
+	while ( (s=strchr(rdev->kobj.k_name, '/')) != NULL)
+		*s = '!';
 			
 	list_add(&rdev->same_set, &mddev->disks);
 	rdev->mddev = mddev;
-
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