ext4: fix ERR_PTR(0) in ext4_mkdir()

When mkdir succeeds, ext4_mkdir() returns ERR_PTR(0) which is incorrect.
It should return NULL instead for success and ERR_PTR() only with
negative error codes for failure.

Fixes: 88d5baf69082 ("Change inode_operations.mkdir to return struct dentry *")
Signed-off-by: Hongling Zeng <zenghongling@kylinos.cn>
Reviewed-by: Jan Kara <jack@suse.cz>
Reviewed-by: Baokun Li <libaokun@linux.alibaba.com>
Link: https://patch.msgid.link/20260604073647.211279-1-zenghongling@kylinos.cn
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

0 files changed, 0 insertions, 0 deletions