ubifs: ubifs_jnl_write_inode: Fix a memory leak bug

When inodes with extended attributes are evicted, xent is not freed in one
exit branch.

Signed-off-by: Zhihao Cheng <chengzhihao1@huawei.com>
Fixes: 9ca2d732644484488db3112 ("ubifs: Limit number of xattrs per inode")
Signed-off-by: Richard Weinberger <richard@nod.at>

diff --git a/fs/ubifs/journal.c b/fs/ubifs/journal.c
index 3bf8b1f..e5ec1af 100644 (file)
--- a/fs/ubifs/journal.c
+++ b/fs/ubifs/journal.c
@@ -905,6 +905,7 @@ int ubifs_jnl_write_inode(struct ubifs_info *c, const struct inode *inode)
                                ubifs_err(c, "dead directory entry '%s', error %d",
                                          xent->name, err);
                                ubifs_ro_mode(c, err);
+                               kfree(xent);
                                goto out_release;
                        }
                        ubifs_assert(c, ubifs_inode(xino)->xattr);