ext4: allow a NULL argument to ext4_ext_drop_refs()
Teach ext4_ext_drop_refs() to accept a NULL argument, much like
kfree(). This allows us to drop a lot of checks to make sure path is
non-NULL before calling ext4_ext_drop_refs().
Signed-off-by: Theodore Ts'o <tytso@mit.edu>
diff --git a/fs/ext4/extents_status.c b/fs/ext4/extents_status.c
index 0b7e28e..8ffff96 100644
--- a/fs/ext4/extents_status.c
+++ b/fs/ext4/extents_status.c
@@ -499,10 +499,8 @@
}
}
out:
- if (path) {
- ext4_ext_drop_refs(path);
- kfree(path);
- }
+ ext4_ext_drop_refs(path);
+ kfree(path);
}
static void ext4_es_insert_extent_ind_check(struct inode *inode,