From 785431734b2384cd82f14a757c61b98c2cf9905d Mon Sep 17 00:00:00 2001 From: Zhang Jiejing Date: Mon, 16 Jul 2012 09:51:47 +0800 Subject: [PATCH] ENGR00217258 mxc_vpu: return error when ioctl was not supported. MXC_VPU will return 0 if IOCTL don't support, for user space, it think this IOCTL success, but it's needs actually return a failed return value. Signed-off-by Zhang Jiejing --- drivers/mxc/vpu/mxc_vpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mxc/vpu/mxc_vpu.c b/drivers/mxc/vpu/mxc_vpu.c index 03a35be0b179..c97437fb0c9e 100644 --- a/drivers/mxc/vpu/mxc_vpu.c +++ b/drivers/mxc/vpu/mxc_vpu.c @@ -481,6 +481,7 @@ static long vpu_ioctl(struct file *filp, u_int cmd, default: { printk(KERN_ERR "No such IOCTL, cmd is %d\n", cmd); + ret = -EINVAL; break; } } -- 2.39.5