[ Upstream commit 7159a986b4202343f6cca3bb8079ecace5816fd6 ]

We can't pass error pointers to brelse().

Fixes: fb265c9cb49e ("ext4: add ext4_sb_bread() to disambiguate ENOMEM cases")
Signed-off-by: Dan Carpenter <[email protected]>
Signed-off-by: Theodore Ts'o <[email protected]>
Reviewed-by: Jan Kara <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
---
 fs/ext4/xattr.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index c0ba5206cd9d..006c277dc22e 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -829,6 +829,7 @@ int ext4_get_inode_usage(struct inode *inode, qsize_t 
*usage)
                bh = ext4_sb_bread(inode->i_sb, EXT4_I(inode)->i_file_acl, 
REQ_PRIO);
                if (IS_ERR(bh)) {
                        ret = PTR_ERR(bh);
+                       bh = NULL;
                        goto out;
                }
 
@@ -2907,6 +2908,7 @@ int ext4_xattr_delete_inode(handle_t *handle, struct 
inode *inode,
                        if (error == -EIO)
                                EXT4_ERROR_INODE(inode, "block %llu read error",
                                                 EXT4_I(inode)->i_file_acl);
+                       bh = NULL;
                        goto cleanup;
                }
                error = ext4_xattr_check_block(inode, bh);
@@ -3063,6 +3065,7 @@ ext4_xattr_block_cache_find(struct inode *inode,
                if (IS_ERR(bh)) {
                        if (PTR_ERR(bh) == -ENOMEM)
                                return NULL;
+                       bh = NULL;
                        EXT4_ERROR_INODE(inode, "block %lu read error",
                                         (unsigned long)ce->e_value);
                } else if (ext4_xattr_cmp(header, BHDR(bh)) == 0) {
-- 
2.19.1



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