linux-kernel - [PATCH] [media]: usbvision: Remove dead code

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Message-Id: <1566764741-20098-1-git-send-email-jrdr.linux@gmail.com>
Date:   Mon, 26 Aug 2019 01:55:41 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     mchehab@...nel.org, hverkuil@...all.nl, gregkh@...uxfoundation.org,
        rfontana@...hat.com, sakari.ailus@...ux.intel.com,
        tglx@...utronix.de
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Souptick Joarder <jrdr.linux@...il.com>
Subject: [PATCH] [media]: usbvision: Remove dead code

These codes are commented since v4.2-rc1. If there is no plan
to enable the #else part in future, these can be removed
forever.

Signed-off-by: Souptick Joarder <jrdr.linux@...il.com>
---
 drivers/media/usb/usbvision/usbvision-video.c | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c
index 93750af..896837f 100644
--- a/drivers/media/usb/usbvision/usbvision-video.c
+++ b/drivers/media/usb/usbvision/usbvision-video.c
@@ -967,7 +967,6 @@ static ssize_t usbvision_read(struct file *file, char __user *buf,
 	       __func__,
 	       (unsigned long)count, frame->bytes_read);
 
-#if 1
 	/*
 	 * FIXME:
 	 * For now, forget the frame if it has not been read in one shot.
@@ -976,15 +975,6 @@ static ssize_t usbvision_read(struct file *file, char __user *buf,
 
 	/* Mark it as available to be used again. */
 	frame->grabstate = frame_state_unused;
-#else
-	if (frame->bytes_read >= frame->scanlength) {
-		/* All data has been read */
-		frame->bytes_read = 0;
-
-		/* Mark it as available to be used again. */
-		frame->grabstate = frame_state_unused;
-	}
-#endif
 
 	return count;
 }
-- 
1.9.1