libhsakmt: Improve the confusing code

The code tends to confuse readers. Improve it.

Change-Id: I5c6cbf7a114b6e7d26ce3b9f54350a153032267d
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>


[ROCm/ROCR-Runtime commit: dbe9af7777]

projects/rocr-runtime/src/openclose.c

@@ -126,14 +126,14 @@ HSAKMT_STATUS HSAKMTAPI hsaKmtOpenKFD(void)
 
 		fd = open(kfd_device_name, O_RDWR | O_CLOEXEC);
 
-		if (fd != -1) {
-			kfd_fd = fd;
-			kfd_open_count = 1;
-		} else {
+		if (fd == -1) {
 			result = HSAKMT_STATUS_KERNEL_IO_CHANNEL_NOT_OPENED;
 			goto open_failed;
 		}
 
+		kfd_fd = fd;
+		kfd_open_count = 1;
+
 		init_page_size();
 
 		result = topology_sysfs_get_system_props(&sys_props);