Messages in this thread | | | Date | Mon, 7 Oct 2019 17:03:40 +0200 | From | David Sterba <> | Subject | Re: [PATCH] btrfs: fix Wmaybe-uninitialized warning |
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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.kim@gmail.com>
A few more people have repoted this warning, so I'm gonig to apply the patch to avoid further reports. Thanks.
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