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btrfs: turn on -Wmaybe-uninitialized

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We had a recent bug that would have been caught by a newer compiler with
-Wmaybe-uninitialized and would have saved us a month of failing tests
that I didn't have time to investigate.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2022-12-16 15:15:58 -05:00 committed by David Sterba
parent a6ca692ec2
commit 1ec49744ba
1 changed files with 2 additions and 1 deletions
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3
fs/btrfs/Makefile
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@ -11,7 +11,8 @@ condflags := \
$(call cc-option, -Wunused-but-set-variable) \
$(call cc-option, -Wunused-const-variable) \
$(call cc-option, -Wpacked-not-aligned) \
$(call cc-option, -Wstringop-truncation)
$(call cc-option, -Wstringop-truncation) \
$(call cc-option, -Wmaybe-uninitialized)
subdir-ccflags-y += $(condflags)
# The following turn off the warnings enabled by -Wextra
subdir-ccflags-y += -Wno-missing-field-initializers