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linux/fs/btrfs/ref-verify.c
Amit Dhingra b25cd4a5f1 btrfs: ref-verify: fix IS_ERR() vs NULL check in btrfs_build_ref_tree() 
commit ada7d45b56 upstream.

btrfs_extent_root()/btrfs_global_root() does not return error pointers,
it returns NULL on error.

Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Link: https://lore.kernel.org/all/aNJfvxj0anEnk9Dm@stanley.mountain/
Fixes : ed4e6b5d64 ("btrfs: ref-verify: handle damaged extent root tree")
CC: stable@vger.kernel.org # 6.17+
Signed-off-by: Amit Dhingra <mechanicalamit@gmail.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>
2025-10-29 14:10:21 +01:00

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