[PATCH] KVM: SVM: fix eno.cocci warnings

[kbuild test robot]

arch/x86/kvm/svm.c:5728:5-11: ERROR: allocation function on line 5727 returns NULL not ERR_PTR on failure

 The various basic memory allocation functions don't return ERR_PTR

Generated by: scripts/coccinelle/null/eno.cocci

Fixes: 16e737dd7c3c ("KVM: SVM: Add support for SEV LAUNCH_START command")
CC: Brijesh Singh <brijesh.singh@xxxxxxx>
Signed-off-by: Fengguang Wu <fengguang.wu@xxxxxxxxx>
---

 svm.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -5725,7 +5725,7 @@ static void *copy_user_blob(u64 __user u
 		return ERR_PTR(-EINVAL);
 
 	data = kmalloc(len, GFP_KERNEL);
-	if (IS_ERR(data))
+	if (!data)
 		return ERR_PTR(-ENOMEM);
 
 	if (copy_from_user(data, (void __user *)(uintptr_t)uaddr, len))