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ext2: Always brelse bh on failure in ext2_iget() 

All but one bail out paths in ext2_iget() is releasing bh. Move the
releasing of bh into a common error handling code.

Signed-off-by: Jan Kara <jack@suse.cz>
alistair/sunxi64-5.4-dsi
Jan Kara 2019-06-19 18:29:45 +02:00
parent edb895d3bf
commit 936bbf3aea
1 changed files with 2 additions and 4 deletions
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6
fs/ext2/inode.c
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@ -1400,7 +1400,7 @@ void ext2_set_file_ops(struct inode *inode)
struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
{
struct ext2_inode_info *ei;
struct buffer_head * bh;
struct buffer_head * bh = NULL;
struct ext2_inode *raw_inode;
struct inode *inode;
long ret = -EIO;
@ -1446,7 +1446,6 @@ struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
*/
if (inode->i_nlink == 0 && (inode->i_mode == 0 || ei->i_dtime)) {
/* this inode is deleted */
brelse (bh);
ret = -ESTALE;
goto bad_inode;
}
@ -1463,7 +1462,6 @@ struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
!ext2_data_block_valid(EXT2_SB(sb), ei->i_file_acl, 1)) {
ext2_error(sb, "ext2_iget", "bad extended attribute block %u",
ei->i_file_acl);
brelse(bh);
ret = -EFSCORRUPTED;
goto bad_inode;
}
@ -1473,7 +1471,6 @@ struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
else
ei->i_dir_acl = le32_to_cpu(raw_inode->i_dir_acl);
if (i_size_read(inode) < 0) {
brelse(bh);
ret = -EFSCORRUPTED;
goto bad_inode;
}
@ -1527,6 +1524,7 @@ struct inode *ext2_iget (struct super_block *sb, unsigned long ino)
return inode;
bad_inode:
brelse(bh);
iget_failed(inode);
return ERR_PTR(ret);
}