ext4: Fix ext4_mb_init_cache return error

ext4_mb_init_cache() incorrectly always return EIO on success. This
causes the caller of ext4_mb_init_cache() fail when it checks the return
value.

Signed-off-by: Mingming Cao <cmm@us.ibm.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 6280ad3829d449dcb5aafa0984c02e895c06467e..d429014071c0f566a6a196a818b8034d2edc0d33 100644 (file)
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -809,6 +809,7 @@ static int ext4_mb_init_cache(struct page *page, char *incore)
                if (!buffer_uptodate(bh[i]))
                        goto out;
 
+       err = 0;
        first_block = page->index * blocks_per_page;
        for (i = 0; i < blocks_per_page; i++) {
                int group;