[1/7] x86/sgx: Remove dead code to handle non-existent IOR ioctl
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Message ID 20190605194845.926-2-sean.j.christopherson@intel.com
State New
Headers show
Series
  • x86/sgx: Clean up and enhance add pages ioctl
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Commit Message

Sean Christopherson June 5, 2019, 7:48 p.m. UTC
There are currently no SGX ioctls that require writing data back to
userspace.

Signed-off-by: Sean Christopherson <sean.j.christopherson@intel.com>
---
 arch/x86/kernel/cpu/sgx/driver/ioctl.c | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

Patch
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diff --git a/arch/x86/kernel/cpu/sgx/driver/ioctl.c b/arch/x86/kernel/cpu/sgx/driver/ioctl.c
index a27ec26a9350..cc057d487499 100644
--- a/arch/x86/kernel/cpu/sgx/driver/ioctl.c
+++ b/arch/x86/kernel/cpu/sgx/driver/ioctl.c
@@ -839,11 +839,5 @@  long sgx_ioctl(struct file *filep, unsigned int cmd, unsigned long arg)
 	if (copy_from_user(data, (void __user *)arg, _IOC_SIZE(cmd)))
 		return -EFAULT;
 
-	ret = handler(filep, cmd, (unsigned long)((void *)data));
-	if (!ret && (cmd & IOC_OUT)) {
-		if (copy_to_user((void __user *)arg, data, _IOC_SIZE(cmd)))
-			return -EFAULT;
-	}
-
-	return ret;
+	return handler(filep, cmd, (unsigned long)((void *)data));
 }