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virtio-blk: Remove useless condition around g_free() 

Laszlo spotted and studied this wasteful "if". He pointed out:

The original virtio_blk_free_request needed an "if" as it accesses one
field, since 671ec3f056 ("virtio-blk: Convert VirtIOBlockReq.elem to
pointer", 2014-06-11); later on in f897bf751f ("virtio-blk: embed
VirtQueueElement in VirtIOBlockReq", 2014-07-09) the field became
embedded, so the "if" became unnecessary (at which point we were using
g_slice_free(), but it is the same.

Now drop it.

Reported-by: Laszlo Ersek <lersek@redhat.com>
Signed-off-by: Fam Zheng <famz@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
This commit is contained in:
Fam Zheng 2017-02-07 21:27:22 +08:00 committed by Michael Tokarev
parent 3ba34a7022
commit 1d29b5b049
1 changed files with 1 additions and 3 deletions
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4
hw/block/virtio-blk.c
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@ -42,9 +42,7 @@ static void virtio_blk_init_request(VirtIOBlock *s, VirtQueue *vq,
static void virtio_blk_free_request(VirtIOBlockReq *req)
{
if (req) {
g_free(req);
}
g_free(req);
}
static void virtio_blk_req_complete(VirtIOBlockReq *req, unsigned char status)