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block/block-copy: Fix uninitialized variable in block_copy_task_entry 

Fix when building with -Os:

    CC      block/block-copy.o
  block/block-copy.c: In function ‘block_copy_task_entry’:
  block/block-copy.c:428:38: error: ‘error_is_read’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
    428 |         t->call_state->error_is_read = error_is_read;
        |         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~

Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20200507121129.29760-2-philmd@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Philippe Mathieu-Daudé 2020-05-07 14:11:28 +02:00 committed by Kevin Wolf
parent e5d8a40685
commit c78dd00e35
1 changed files with 1 additions and 1 deletions
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2
block/block-copy.c
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@ -418,7 +418,7 @@ out:
static coroutine_fn int block_copy_task_entry(AioTask *task)
{
BlockCopyTask *t = container_of(task, BlockCopyTask, task);
bool error_is_read;
bool error_is_read = false;
int ret;
ret = block_copy_do_copy(t->s, t->offset, t->bytes, t->zeroes,