linux-kernel - [PATCH 10/10] udmabuf: use ENOTTY for invalid ioctls

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Date:   Tue, 11 Sep 2018 08:59:21 +0200
From:   Gerd Hoffmann <kraxel@...hat.com>
To:     dri-devel@...ts.freedesktop.org
Cc:     laurent.pinchart@...asonboard.com,
        Gerd Hoffmann <kraxel@...hat.com>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        linux-media@...r.kernel.org (open list:DMA BUFFER SHARING FRAMEWORK),
        linaro-mm-sig@...ts.linaro.org (moderated list:DMA BUFFER SHARING
        FRAMEWORK), linux-kernel@...r.kernel.org (open list)
Subject: [PATCH 10/10] udmabuf: use ENOTTY for invalid ioctls

Reported-by: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Signed-off-by: Gerd Hoffmann <kraxel@...hat.com>
---
 drivers/dma-buf/udmabuf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/dma-buf/udmabuf.c b/drivers/dma-buf/udmabuf.c
index 1862bb6bed..a543fd6ea1 100644
--- a/drivers/dma-buf/udmabuf.c
+++ b/drivers/dma-buf/udmabuf.c
@@ -260,7 +260,7 @@ static long udmabuf_ioctl(struct file *filp, unsigned int ioctl,
 		ret = udmabuf_ioctl_create_list(filp, arg);
 		break;
 	default:
-		ret = -EINVAL;
+		ret = -ENOTTY;
 		break;
 	}
 	return ret;
-- 
2.9.3