The "count" variable is unsigned here so the test for errors doesn't
work.
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/vfio/pci/vfio_pci_config.c b/drivers/vfio/pci/vfio_pci_config.c
index a4f7321..10bc6a8 100644
--- a/drivers/vfio/pci/vfio_pci_config.c
+++ b/drivers/vfio/pci/vfio_pci_config.c
@@ -1487,7 +1487,7 @@ static ssize_t vfio_config_do_rw(struct vfio_pci_device *vdev, char __user *buf,
if (perm->readfn) {
count = perm->readfn(vdev, *ppos, count,
perm, offset, &val);
- if (count < 0)
+ if ((ssize_t)count < 0)
return count;
}
--
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