X-Git-Url: http://plrg.eecs.uci.edu/git/?p=firefly-linux-kernel-4.4.55.git;a=blobdiff_plain;f=drivers%2Fusb%2Fgadget%2Ffunction%2Ff_mtp.c;h=e37ece7b6e3ea632d131174c4cd17af5dd4d81d1;hp=d8b69af6e335302824c5f0d52cb478d5b732c34a;hb=ef179e79e9b6f62da31fdc2a9662fd54b346b6f7;hpb=bdcf7d8df4cfa7f99423da161019b964f7ce2520

diff --git a/drivers/usb/gadget/function/f_mtp.c b/drivers/usb/gadget/function/f_mtp.c
index d8b69af6e335..e37ece7b6e3e 100644
--- a/drivers/usb/gadget/function/f_mtp.c
+++ b/drivers/usb/gadget/function/f_mtp.c
@@ -1009,6 +1009,25 @@ static long mtp_ioctl(struct file *fp, unsigned code, unsigned long value)
 			ret = mtp_send_event(dev, &event);
 		goto out;
 	}
+#ifdef CONFIG_COMPAT
+	case MTP_SEND_EVENT_32:
+	{
+		struct mtp_event_32	event_32;
+		struct mtp_event	event;
+		/* return here so we don't change dev->state below,
+		 * which would interfere with bulk transfer state.
+		 */
+		if (copy_from_user(&event_32, (void __user *)value,
+				   sizeof(event_32)))
+			ret = -EFAULT;
+		else {
+			event.length = event_32.length;
+			event.data = (void *)(unsigned long)event_32.data;
+			ret = mtp_send_event(dev, &event);
+		}
+		goto out;
+	}
+#endif
 	}
 
 fail:
@@ -1052,6 +1071,9 @@ static const struct file_operations mtp_fops = {
 	.read = mtp_read,
 	.write = mtp_write,
 	.unlocked_ioctl = mtp_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl = mtp_ioctl,
+#endif
 	.open = mtp_open,
 	.release = mtp_release,
 };