Gcc warns that "ret" can be used uninitialized. It can't actually be
used uninitialized because btrfs_num_copies() always returns 1 or more.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
v2: use the uninitialized_var() macro instead of initializing to 0.
diff --git a/fs/btrfs/check-integrity.c b/fs/btrfs/check-integrity.c
index 064b29b..3bb3853 100644
--- a/fs/btrfs/check-integrity.c
+++ b/fs/btrfs/check-integrity.c
@@ -643,7 +643,7 @@ static struct btrfsic_dev_state *btrfsic_dev_state_hashtable_lookup(
static int btrfsic_process_superblock(struct btrfsic_state *state,
struct btrfs_fs_devices *fs_devices)
{
- int ret;
+ int uninitialized_var(ret);
struct btrfs_super_block *selected_super;
struct list_head *dev_head = &fs_devices->devices;
struct btrfs_device *device;
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