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udmabuf: use ENOTTY for invalid ioctls 

Reported-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20180911134216.9760-11-kraxel@redhat.com
hifive-unleashed-5.1
Gerd Hoffmann 2018-09-11 15:42:13 +02:00
parent 7a1c67d780
commit 52499d9cdd
1 changed files with 1 additions and 1 deletions
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2
drivers/dma-buf/udmabuf.c
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@ -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;