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btrfs: Turn an 'else if' into an 'else' in btrfs_uuid_tree_add
When building with -Wsometimes-uninitialized, Clang warns: fs/btrfs/uuid-tree.c:129:13: warning: variable 'eb' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized] fs/btrfs/uuid-tree.c:129:13: warning: variable 'offset' is used uninitialized whenever 'if' condition is false [-Wsometimes-uninitialized] Clang can't tell that all cases are covered with this final else if. Just turn it into an else so that it is clear. Link: https://github.com/ClangBuiltLinux/linux/issues/385 Suggested-by: Nick Desaulniers <ndesaulniers@google.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: David Sterba <dsterba@suse.com>
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@ -126,7 +126,7 @@ int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, u8 *uuid, u8 type,
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slot = path->slots[0];
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offset = btrfs_item_ptr_offset(eb, slot);
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offset += btrfs_item_size_nr(eb, slot) - sizeof(subid_le);
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} else if (ret < 0) {
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} else {
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btrfs_warn(fs_info,
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"insert uuid item failed %d (0x%016llx, 0x%016llx) type %u!",
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ret, (unsigned long long)key.objectid,
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