Merge Linus master into drm-next

The merge is clean, but the arm build fails afterwards,
due to API changes in the regulator tree.

I've included the patch into the merge to fix the build.

Signed-off-by: Dave Airlie <airlied@redhat.com>

1 files changed, 10 insertions, 19 deletions

diff --git a/security/keys/compat.c b/security/keys/compat.c
index 347896548ad3..25430a3aa7f7 100644
--- a/security/keys/compat.c
+++ b/security/keys/compat.c
@@ -31,30 +31,21 @@ static long compat_keyctl_instantiate_key_iov(
 	key_serial_t ringid)
 {
 	struct iovec iovstack[UIO_FASTIOV], *iov = iovstack;
+	struct iov_iter from;
 	long ret;
 
-	if (!_payload_iov || !ioc)
-		goto no_payload;
+	if (!_payload_iov)
+		ioc = 0;
 
-	ret = compat_rw_copy_check_uvector(WRITE, _payload_iov, ioc,
-					   ARRAY_SIZE(iovstack),
-					   iovstack, &iov);
+	ret = compat_import_iovec(WRITE, _payload_iov, ioc,
+				  ARRAY_SIZE(iovstack), &iov,
+				  &from);
 	if (ret < 0)
-		goto err;
-	if (ret == 0)
-		goto no_payload_free;
-
-	ret = keyctl_instantiate_key_common(id, iov, ioc, ret, ringid);
-err:
-	if (iov != iovstack)
-		kfree(iov);
-	return ret;
+		return ret;
 
-no_payload_free:
-	if (iov != iovstack)
-		kfree(iov);
-no_payload:
-	return keyctl_instantiate_key_common(id, NULL, 0, 0, ringid);
+	ret = keyctl_instantiate_key_common(id, &from, ringid);
+	kfree(iov);
+	return ret;
 }
 
 /*