On 2020/4/6 下午10:45, Dan Carpenter wrote:
The "read" and "write" variables need to be signed for the error
handling to work.
Fixes: 2c53d0f64c06 ("vdpasim: vDPA device simulator")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
drivers/vdpa/vdpa_sim/vdpa_sim.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/vdpa/vdpa_sim/vdpa_sim.c b/drivers/vdpa/vdpa_sim/vdpa_sim.c
index 6e8a0cf2fdeb..b3c800653056 100644
--- a/drivers/vdpa/vdpa_sim/vdpa_sim.c
+++ b/drivers/vdpa/vdpa_sim/vdpa_sim.c
@@ -132,7 +132,8 @@ 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;
+ ssize_t read, write;
+ size_t total_write;
int err;
int pkts = 0;
Acked-by: Jason Wang <jasowang@xxxxxxxxxx>
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