ext4: return ENOMEM if sb_getblk() fails
The only reason for sb_getblk() failing is if it can't allocate the
buffer_head. So ENOMEM is more appropriate than EIO. In addition,
make sure that the file system is marked as being inconsistent if
sb_getblk() fails.
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Cc: stable@vger.kernel.org
diff --git a/fs/ext4/resize.c b/fs/ext4/resize.c
index d99387b..02824dc 100644
--- a/fs/ext4/resize.c
+++ b/fs/ext4/resize.c
@@ -334,7 +334,7 @@
bh = sb_getblk(sb, blk);
if (!bh)
- return ERR_PTR(-EIO);
+ return ERR_PTR(-ENOMEM);
if ((err = ext4_journal_get_write_access(handle, bh))) {
brelse(bh);
bh = ERR_PTR(err);
@@ -411,7 +411,7 @@
bh = sb_getblk(sb, flex_gd->groups[group].block_bitmap);
if (!bh)
- return -EIO;
+ return -ENOMEM;
err = ext4_journal_get_write_access(handle, bh);
if (err)
@@ -501,7 +501,7 @@
gdb = sb_getblk(sb, block);
if (!gdb) {
- err = -EIO;
+ err = -ENOMEM;
goto out;
}
@@ -1065,7 +1065,7 @@
bh = sb_getblk(sb, backup_block);
if (!bh) {
- err = -EIO;
+ err = -ENOMEM;
break;
}
ext4_debug("update metadata backup %llu(+%llu)\n",