The format specifier of "unsigned int" in printf() should be "%u", not
"%d".

Signed-off-by: Zhu Jun <zhujun2@cmss.chinamobile.com>
---
 samples/nitro_enclaves/ne_ioctl_sample.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/samples/nitro_enclaves/ne_ioctl_sample.c b/samples/nitro_enclaves/ne_ioctl_sample.c
index 765b131c7319..5ccb45b225e2 100644
--- a/samples/nitro_enclaves/ne_ioctl_sample.c
+++ b/samples/nitro_enclaves/ne_ioctl_sample.c
@@ -818,7 +818,7 @@ int main(int argc, char *argv[])
 
 		rc = ne_alloc_user_mem_region(&ne_user_mem_regions[i]);
 		if (rc < 0) {
-			printf("Error in alloc userspace memory region, iter %d\n", i);
+			printf("Error in alloc userspace memory region, iter %u\n", i);
 
 			goto release_enclave_fd;
 		}
@@ -831,7 +831,7 @@ int main(int argc, char *argv[])
 	for (i = 0; i < NE_DEFAULT_NR_MEM_REGIONS; i++) {
 		rc = ne_set_user_mem_region(enclave_fd, ne_user_mem_regions[i]);
 		if (rc < 0) {
-			printf("Error in set memory region, iter %d\n", i);
+			printf("Error in set memory region, iter %u\n", i);
 
 			goto release_enclave_fd;
 		}
@@ -847,12 +847,12 @@ int main(int argc, char *argv[])
 		ne_vcpus[i] = 0;
 		rc = ne_add_vcpu(enclave_fd, &ne_vcpus[i]);
 		if (rc < 0) {
-			printf("Error in add vcpu, iter %d\n", i);
+			printf("Error in add vcpu, iter %u\n", i);
 
 			goto release_enclave_fd;
 		}
 
-		printf("Added vCPU %d to the enclave\n", ne_vcpus[i]);
+		printf("Added vCPU %u to the enclave\n", ne_vcpus[i]);
 	}
 
 	printf("Enclave vCPUs were added\n");
-- 
2.17.1