From: Hugh Dickins <hugh@veritas.com>

ext2_new_blocks has a nice io_error label for setting -EIO, so goto that in
the one place that doesn't already use it.

Signed-off-by: Hugh Dickins <hugh@veritas.com>
Cc: Martin Bligh <mbligh@google.com>
Acked-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 fs/ext2/balloc.c |    7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff -puN fs/ext2/balloc.c~ext2-balloc-use-io_error-label fs/ext2/balloc.c
--- a/fs/ext2/balloc.c~ext2-balloc-use-io_error-label
+++ a/fs/ext2/balloc.c
@@ -1297,10 +1297,9 @@ retry_alloc:
 		if (group_no >= ngroups)
 			group_no = 0;
 		gdp = ext2_get_group_desc(sb, group_no, &gdp_bh);
-		if (!gdp) {
-			*errp = -EIO;
-			goto out;
-		}
+		if (!gdp)
+			goto io_error;
+
 		free_blocks = le16_to_cpu(gdp->bg_free_blocks_count);
 		/*
 		 * skip this group if the number of
_