linux-kernel - [PATCH] btrfs: Fix ASSERT of em->len when getting extent

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Date:   Sat, 31 Dec 2022 16:05:01 +0100
From:   Tanmay Bhushan <007047221b@...il.com>
To:     Chris Mason <clm@...com>, Josef Bacik <josef@...icpanda.com>,
        David Sterba <dsterba@...e.com>, linux-btrfs@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc:     Tanmay Bhushan <007047221b@...il.com>
Subject: [PATCH] btrfs: Fix ASSERT of em->len when getting extent

em->len is incorrectly asserted which is leading to it's
assignment to sectorsize instead of being check for it.

Signed-off-by: Tanmay Bhushan <007047221b@...il.com>
---
 fs/btrfs/inode.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/inode.c b/fs/btrfs/inode.c
index 8bcad9940154..e49358048a98 100644
--- a/fs/btrfs/inode.c
+++ b/fs/btrfs/inode.c
@@ -7092,7 +7092,7 @@ struct extent_map *btrfs_get_extent(struct btrfs_inode *inode,
 		 * Other members are not utilized for inline extents.
 		 */
 		ASSERT(em->block_start == EXTENT_MAP_INLINE);
-		ASSERT(em->len = fs_info->sectorsize);
+		ASSERT(em->len == fs_info->sectorsize);
 
 		ret = read_inline_extent(inode, path, page);
 		if (ret < 0)
-- 
2.34.1