On Tue, Sep 03, 2019 at 12:30:19PM +0900, Austin Kim wrote: > gcc throws warning message as below: > > ‘clone_src_i_size’ may be used uninitialized in this function > [-Wmaybe-uninitialized] > #define IS_ALIGNED(x, a) (((x) & ((typeof(x))(a) - 1)) == 0) > ^ > fs/btrfs/send.c:5088:6: note: ‘clone_src_i_size’ was declared here > u64 clone_src_i_size; > ^ > The clone_src_i_size is only used as call-by-reference > in a call to get_inode_info(). > > Silence the warning by initializing clone_src_i_size to 0. > > Signed-off-by: Austin Kim <austindh....@gmail.com>
A few more people have repoted this warning, so I'm gonig to apply the patch to avoid further reports. Thanks.