Fix oinkmaster patch.

[people/pmueller/ipfire-2.x.git] / src / patches / suse-2.6.27.39 / patches.fixes / 0027-md-improve-errno-return-when-setting-array_size.patch

From 2b69c83924396ad1eda36fdd267c9d2f360f5555 Mon Sep 17 00:00:00 2001
From: NeilBrown <neilb@suse.de>
Date: Tue, 26 May 2009 09:41:17 +1000
Subject: [PATCH] md: improve errno return when setting array_size

Instead of always returns EINVAL if anything goes wrong
when setting the array size, add the option of
  E2BIG
if the size requested is too large.  This makes it easier
for user-space to be sure what went wrong.

Signed-off-by: NeilBrown <neilb@suse.de>
---
 drivers/md/md.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-2.6.27-SLE11_BRANCH.orig/drivers/md/md.c
+++ linux-2.6.27-SLE11_BRANCH/drivers/md/md.c
@@ -3449,7 +3449,7 @@ array_size_store(mddev_t *mddev, const c
 		if (strict_blocks_to_sectors(buf, &sectors) < 0)
 			return -EINVAL;
 		if (mddev->pers && mddev->pers->size(mddev, 0, 0) < sectors)
-			return -EINVAL;
+			return -E2BIG;
 
 		mddev->external_size = 1;
 	}