There is a missing unlock if ext4_journal_start() fails.
Fixes: 374431bae296 ('ext4 crypto: add ioctls to allow backup of encryption metadata')
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/fs/ext4/crypto_key.c b/fs/ext4/crypto_key.c
index 6e6fbcb..21fdcea 100644
--- a/fs/ext4/crypto_key.c
+++ b/fs/ext4/crypto_key.c
@@ -372,8 +372,10 @@ int ext4_set_encryption_metadata(struct inode *inode,
handle = ext4_journal_start(inode, EXT4_HT_MISC,
ext4_jbd2_credits_xattr(inode));
- if (IS_ERR(handle))
- return PTR_ERR(handle);
+ if (IS_ERR(handle)) {
+ res = PTR_ERR(handle);
+ goto errout;
+ }
res = ext4_xattr_set(inode, EXT4_XATTR_INDEX_ENCRYPTION,
EXT4_XATTR_NAME_ENCRYPTION_CONTEXT, ctx,
sizeof(struct ext4_encryption_context), 0);
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