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btrfs-progs: image: fix compiler warning

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In v4.8-rc1, gcc 5.3.1 gives following warning. Fixed it.

    [CC]     btrfs-image.o
btrfs-image.c: In function 'flush_pending':
btrfs-image.c:708:17: warning: 'start' may be used uninitialized in this function [-Wmaybe-uninitialized]
  header->bytenr = cpu_to_le64(start);
                 ^
btrfs-image.c:927:6: note: 'start' was declared here
  u64 start;
      ^

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Tsutomu Itoh 2016-10-05 17:07:48 +09:00 committed by David Sterba
parent 8c663f9f36
commit c9ec835ae1
1 changed files with 1 additions and 1 deletions
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btrfs-image.c
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@ -924,7 +924,7 @@ static int flush_pending(struct metadump_struct *md, int done)
struct async_work *async = NULL;
struct extent_buffer *eb;
u64 blocksize = md->root->nodesize;
u64 start;
u64 start = 0;
u64 size;
size_t offset;
int ret = 0;