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mirror: fix uninitialized variable delay_ns warnings 

The gcc 4.1.2 compiler warns that delay_ns may be uninitialized in
mirror_iteration().

There are two break statements in the do ... while loop that skip over
the delay_ns assignment.  These are probably the cause of the warning.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Benoît Canet <benoit.canet@nodalink.com>
This commit is contained in:
Stefan Hajnoczi 2014-08-27 12:08:54 +01:00
parent 73735f7218
commit 6d0de8eb21
1 changed files with 1 additions and 3 deletions
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4
block/mirror.c
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@ -157,7 +157,7 @@ static uint64_t coroutine_fn mirror_iteration(MirrorBlockJob *s)
BlockDriverState *source = s->common.bs;
int nb_sectors, sectors_per_chunk, nb_chunks;
int64_t end, sector_num, next_chunk, next_sector, hbitmap_next_sector;
uint64_t delay_ns;
uint64_t delay_ns = 0;
MirrorOp *op;
s->sector_num = hbitmap_iter_next(&s->hbi);
@ -247,8 +247,6 @@ static uint64_t coroutine_fn mirror_iteration(MirrorBlockJob *s)
next_chunk += added_chunks;
if (!s->synced && s->common.speed) {
delay_ns = ratelimit_calculate_delay(&s->limit, added_sectors);
} else {
delay_ns = 0;
}
} while (delay_ns == 0 && next_sector < end);