btrfs: fix chunk map leak in btrfs_map_block() after btrfs_chunk_map_num_copies()

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commit f15fb3d415 upstream.

Fix a chunk map leak in btrfs_map_block(): if we return early with -EINVAL,
we're not freeing the chunk map that we've just looked up.

Fixes: 0ae653fbec ("btrfs: reduce chunk_map lookups in btrfs_map_block()")
CC: stable@vger.kernel.org # 6.12+
Reviewed-by: Filipe Manana <fdmanana@suse.com>
Signed-off-by: Mark Harmstone <mark@harmstone.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Mark Harmstone 2026-02-20 12:53:17 +00:00 • committed by Greg Kroah-Hartman

parent f42b4afdd1

commit 7bdf00ed75

1 changed files with 4 additions and 2 deletions

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fs/btrfs/volumes.c

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