LoongArch: Parse MADT to get multi-processor information

[linux-2.6-microblaze.git] / drivers / vdpa / vdpa.c

diff --git a/drivers/vdpa/vdpa.c b/drivers/vdpa/vdpa.c
index f15fb11..ebf2f36 100644 (file)
--- a/drivers/vdpa/vdpa.c
+++ b/drivers/vdpa/vdpa.c
@@ -77,32 +77,11 @@ static ssize_t driver_override_store(struct device *dev,
                                     const char *buf, size_t count)
 {
        struct vdpa_device *vdev = dev_to_vdpa(dev);
-       const char *driver_override, *old;
-       char *cp;
+       int ret;
 
-       /* We need to keep extra room for a newline */
-       if (count >= (PAGE_SIZE - 1))
-               return -EINVAL;
-
-       driver_override = kstrndup(buf, count, GFP_KERNEL);
-       if (!driver_override)
-               return -ENOMEM;
-
-       cp = strchr(driver_override, '\n');
-       if (cp)
-               *cp = '\0';
-
-       device_lock(dev);
-       old = vdev->driver_override;
-       if (strlen(driver_override)) {
-               vdev->driver_override = driver_override;
-       } else {
-               kfree(driver_override);
-               vdev->driver_override = NULL;
-       }
-       device_unlock(dev);
-
-       kfree(old);
+       ret = driver_set_override(dev, &vdev->driver_override, buf, count);
+       if (ret)
+               return ret;
 
        return count;
 }