[patch v2] Btrfs: silence a compiler warning
From: Dan Carpenter <hidden>
Date: 2012-02-22 19:41:57
Also in:
kernel-janitors
Subsystem:
btrfs file system, filesystems (vfs and infrastructure), the rest · Maintainers:
Chris Mason, David Sterba, Alexander Viro, Christian Brauner, Linus Torvalds
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 <redacted> --- 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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