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@xxxxxxxxxxxxxx>
---
btrfs-image.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/btrfs-image.c b/btrfs-image.c
index 0d410f8..47f36b9 100644
--- a/btrfs-image.c
+++ b/btrfs-image.c
@@ -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;
--
2.9.3
----
Tsutomu Itoh t-itoh@xxxxxxxxxxxxxx
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