---

yaml
---
r: 267620
b: refs/heads/master
c: 71c9c20
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a5232bde8449b28230f767e8b558021bb5d08e5c
+refs/heads/master: 71c9c2045cc88f2253603bb7634c2eb523f20dea

trunk/drivers/staging/easycap/easycap_ioctl.c

@@ -1317,17 +1317,12 @@ long easycap_unlocked_ioctl(struct file *file,
 		struct v4l2_control *pv4l2_control;
 
 		JOM(8, "VIDIOC_G_CTRL\n");
-		pv4l2_control = kzalloc(sizeof(struct v4l2_control), GFP_KERNEL);
-		if (!pv4l2_control) {
-			SAM("ERROR: out of memory\n");
+		pv4l2_control = memdup_user((void __user *)arg,
+					    sizeof(struct v4l2_control));
+		if (IS_ERR(pv4l2_control)) {
+			SAM("ERROR: copy from user failed\n");
 			mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
-			return -ENOMEM;
-		}
-		if (0 != copy_from_user(pv4l2_control, (void __user *)arg,
-				sizeof(struct v4l2_control))) {
-			kfree(pv4l2_control);
-			mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
-			return -EFAULT;
+			return PTR_ERR(pv4l2_control);
 		}
 
 		switch (pv4l2_control->id) {
@@ -2356,17 +2351,12 @@ long easycap_unlocked_ioctl(struct file *file,
 		struct v4l2_streamparm *pv4l2_streamparm;
 
 		JOM(8, "VIDIOC_G_PARM\n");
-		pv4l2_streamparm = kzalloc(sizeof(struct v4l2_streamparm), GFP_KERNEL);
-		if (!pv4l2_streamparm) {
-			SAM("ERROR: out of memory\n");
-			mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
-			return -ENOMEM;
-		}
-		if (copy_from_user(pv4l2_streamparm,
-			(void __user *)arg, sizeof(struct v4l2_streamparm))) {
-			kfree(pv4l2_streamparm);
+		pv4l2_streamparm = memdup_user((void __user *)arg,
+					       sizeof(struct v4l2_streamparm));
+		if (IS_ERR(pv4l2_streamparm)) {
+			SAM("ERROR: copy from user failed\n");
 			mutex_unlock(&easycapdc60_dongle[kd].mutex_video);
-			return -EFAULT;
+			return PTR_ERR(pv4l2_streamparm);
 		}
 
 		if (pv4l2_streamparm->type != V4L2_BUF_TYPE_VIDEO_CAPTURE) {