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authorSamuel Zou <zou_wei@huawei.com>2020-05-09 05:20:02 +0300
committerMichael S. Tsirkin <mst@redhat.com>2020-06-04 22:36:52 +0300
commit18e643cd6c4dcdb09510a4bf739438e7cd1ae1f2 (patch)
tree9a724a53de1343db5188f478cca7f303ed11b439 /drivers/vdpa/vdpa_sim
parent7dd793f37e2ab4ca6585df8cfb1a1fcf44f61248 (diff)
downloadlinux-18e643cd6c4dcdb09510a4bf739438e7cd1ae1f2.tar.xz
vdpasim: Fix some coccinelle warnings
Fix below warnings reported by coccicheck: drivers/vdpa/vdpa_sim/vdpa_sim.c:104:1-10: WARNING: Assignment of 0/1 to bool variable drivers/vdpa/vdpa_sim/vdpa_sim.c:164:7-11: WARNING: Unsigned expression compared with zero: read <= 0 drivers/vdpa/vdpa_sim/vdpa_sim.c:169:7-12: WARNING: Unsigned expression compared with zero: write <= 0 1. The 'ready' variable in vdpasim_virtqueue struct is bool type. It is better to initialize vq->ready to false 2. Modify 'read' and 'write' variables type from size_t to ssize_t. And preserve the reverse christmas tree ordering of local variables. Fixes: 2c53d0f64c06 ("vdpasim: vDPA device simulator") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Samuel Zou <zou_wei@huawei.com> Link: https://lore.kernel.org/r/1588990802-28451-1-git-send-email-zou_wei@huawei.com Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'drivers/vdpa/vdpa_sim')
-rw-r--r--drivers/vdpa/vdpa_sim/vdpa_sim.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index 01c456f7c1f7..c7334cc65bb2 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -101,7 +101,7 @@ static void vdpasim_queue_ready(struct vdpasim *vdpasim, unsigned int idx)
static void vdpasim_vq_reset(struct vdpasim_virtqueue *vq)
{
- vq->ready = 0;
+ vq->ready = false;
vq->desc_addr = 0;
vq->driver_addr = 0;
vq->device_addr = 0;
@@ -131,9 +131,10 @@ static void vdpasim_work(struct work_struct *work)
vdpasim, work);
struct vdpasim_virtqueue *txq = &vdpasim->vqs[1];
struct vdpasim_virtqueue *rxq = &vdpasim->vqs[0];
- size_t read, write, total_write;
- int err;
+ ssize_t read, write;
+ size_t total_write;
int pkts = 0;
+ int err;
spin_lock(&vdpasim->lock);