From: Nathan Chancellor Date: Thu, 7 Mar 2019 16:35:15 +0000 (-0700) Subject: btrfs: Turn an 'else if' into an 'else' in btrfs_uuid_tree_add X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e8baf7abcf56da68a03df77f51459acddeef4195;p=linux.git 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 Signed-off-by: Nathan Chancellor Reviewed-by: David Sterba Signed-off-by: David Sterba --- diff --git a/fs/btrfs/uuid-tree.c b/fs/btrfs/uuid-tree.c index 3b2ae342e6498..c1cc9a5c00240 100644 --- a/fs/btrfs/uuid-tree.c +++ b/fs/btrfs/uuid-tree.c @@ -126,7 +126,7 @@ int btrfs_uuid_tree_add(struct btrfs_trans_handle *trans, u8 *uuid, u8 type, slot = path->slots[0]; offset = btrfs_item_ptr_offset(eb, slot); offset += btrfs_item_size_nr(eb, slot) - sizeof(subid_le); - } else if (ret < 0) { + } else { btrfs_warn(fs_info, "insert uuid item failed %d (0x%016llx, 0x%016llx) type %u!", ret, (unsigned long long)key.objectid,