Messages in this thread | | | Date | Wed, 7 Dec 2016 09:38:19 +1100 | From | Stephen Rothwell <> | Subject | Re: linux-next: build warning after merge of the btrfs-kdave tree |
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Hi David,
On Mon, 28 Nov 2016 11:02:30 +1100 Stephen Rothwell <sfr@canb.auug.org.au> wrote: > > After merging the btrfs-kdave tree, today's linux-next build (powerpc > ppc64_defconfig) produced this warning: > > fs/btrfs/inode.c: In function 'run_delalloc_range': > fs/btrfs/inode.c:1219:9: warning: 'cur_end' may be used uninitialized in this function [-Wmaybe-uninitialized] > start = cur_end + 1; > ^ > fs/btrfs/inode.c:1172:6: note: 'cur_end' was declared here > u64 cur_end; > ^ > > Introduced by commit > > cow_file_range_async ("btrfs: Introduce COMPRESS reserve type to fix false enospc for compression") > > Presumably a false positive because ASSERT(0) panics?
Actually it does not if CONFIG_BTRFS_ASSERT is not set (which it isn't for the above build), so this is not a false positive. I am still seeing this.
-- Cheers, Stephen Rothwell
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