diff mbox series

[2/8] btrfs: cleanup em handling in btrfs_submit_compressed_read

Message ID 20230210074841.628201-3-hch@lst.de (mailing list archive)
State New, archived
Headers show
Series [1/8] btrfs: embedded a btrfs_bio into struct compressed_bio | expand

Commit Message

Christoph Hellwig Feb. 10, 2023, 7:48 a.m. UTC 
em can't be non-NULL after the free_extent_map label.  Also remove
the now pointless clearing of em to NULL after freeing it.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 fs/btrfs/compression.c | 2 --
 1 file changed, 2 deletions(-)
diff mbox series

Patch

diff --git a/fs/btrfs/compression.c b/fs/btrfs/compression.c
index cd0cfa8fdb8c15..6fd9c6efe387bd 100644
--- a/fs/btrfs/compression.c
+++ b/fs/btrfs/compression.c
@@ -572,7 +572,6 @@  void btrfs_submit_compressed_read(struct bio *bio, int mirror_num)
 	cb->orig_bio = bio;
 
 	free_extent_map(em);
-	em = NULL;
 
 	cb->nr_pages = DIV_ROUND_UP(compressed_len, PAGE_SIZE);
 	cb->compressed_pages = kcalloc(cb->nr_pages, sizeof(struct page *), GFP_NOFS);
@@ -629,7 +628,6 @@  void btrfs_submit_compressed_read(struct bio *bio, int mirror_num)
 	kfree(cb->compressed_pages);
 out_free_bio:
 	bio_put(comp_bio);
-	free_extent_map(em);
 out:
 	btrfs_bio_end_io(btrfs_bio(bio), ret);
 }