--- zzzz-none-000/linux-3.10.107/drivers/media/usb/gspca/zc3xx.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/usb/gspca/zc3xx.c	2021-02-04 17:41:59.000000000 +0000
@@ -5942,23 +5942,23 @@
 	reg07 = 0;
 
 	good = 0;
-	for (;;) {
+	while (1) {
 		msleep(100);
 
 		/* To protect gspca_dev->usb_buf and gspca_dev->usb_err */
 		mutex_lock(&gspca_dev->usb_lock);
 #ifdef CONFIG_PM
 		if (gspca_dev->frozen)
-			goto err;
+			break;
 #endif
 		if (!gspca_dev->present || !gspca_dev->streaming)
-			goto err;
+			break;
 
 		/* Bit 0 of register 11 indicates FIFO overflow */
 		gspca_dev->usb_err = 0;
 		reg11 = reg_r(gspca_dev, 0x0011);
 		if (gspca_dev->usb_err)
-			goto err;
+			break;
 
 		change = reg11 & 0x01;
 		if (change) {				/* overflow */
@@ -5987,12 +5987,12 @@
 			gspca_dev->usb_err = 0;
 			reg_w(gspca_dev, reg07, 0x0007);
 			if (gspca_dev->usb_err)
-				goto err;
+				break;
 		}
 		mutex_unlock(&gspca_dev->usb_lock);
 	}
-	return;
-err:
+
+	/* Something went wrong. Unlock and return */
 	mutex_unlock(&gspca_dev->usb_lock);
 }
 
@@ -6360,7 +6360,7 @@
 			if (ctrl->val <= jpeg_qual[i])
 				break;
 		}
-		if (i > 0 && i == qual && ctrl->val < jpeg_qual[i])
+		if (i == ARRAY_SIZE(jpeg_qual) || (i > 0 && i == qual && ctrl->val < jpeg_qual[i]))
 			i--;
 
 		/* With high quality settings we need max bandwidth */
@@ -6700,7 +6700,8 @@
 	};
 
 	/* create the JPEG header */
-	jpeg_define(sd->jpeg_hdr, gspca_dev->height, gspca_dev->width,
+	jpeg_define(sd->jpeg_hdr, gspca_dev->pixfmt.height,
+			gspca_dev->pixfmt.width,
 			0x21);		/* JPEG 422 */
 
 	mode = gspca_dev->cam.cam_mode[gspca_dev->curr_mode].priv;
@@ -6904,7 +6905,7 @@
 #if IS_ENABLED(CONFIG_INPUT)
 static int sd_int_pkt_scan(struct gspca_dev *gspca_dev,
 			u8 *data,		/* interrupt packet data */
-			int len)		/* interrput packet length */
+			int len)		/* interrupt packet length */
 {
 	if (len == 8 && data[4] == 1) {
 		input_report_key(gspca_dev->input_dev, KEY_CAMERA, 1);