From: Lauri Kasanen <cand@gmx.com>
Date: Thu, 27 May 2021 15:34:00 +0000 (+0300)
Subject: Also check these ioctls
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=4c6c19083b0118c3c560aada5157e204a336e7c7;p=kvm-minippc.git

Also check these ioctls
---

diff --git a/main.c b/main.c
index cf98fe3..f4e8b58 100644
--- a/main.c
+++ b/main.c
@@ -365,14 +365,16 @@ int main(int argc, char **argv) {
 		.userspace_addr = (uint64_t) ram,
 		.flags = 0
 	};
-	ioctl(vmfd, KVM_SET_USER_MEMORY_REGION, &region);
+	if (ioctl(vmfd, KVM_SET_USER_MEMORY_REGION, &region) == -1)
+		abort();
 
 	region.slot = 1;
 	region.guest_phys_addr = PROGSTART;
 	region.memory_size = binlen;
 	region.userspace_addr = (uint64_t) progmem;
 	region.flags = KVM_MEM_READONLY;
-	ioctl(vmfd, KVM_SET_USER_MEMORY_REGION, &region);
+	if (ioctl(vmfd, KVM_SET_USER_MEMORY_REGION, &region) == -1)
+		abort();
 
 	vcpu = ioctl(vmfd, KVM_CREATE_VCPU, (unsigned long)0);
 	const unsigned vcpulen = ioctl(kvm, KVM_GET_VCPU_MMAP_SIZE, NULL);