kinect_upload_fw: rename "res" to "ret" in main()

For me it's more a return value than the actual result of some operation.

diff --git a/kinect_upload_fw/kinect_upload_fw.c b/kinect_upload_fw/kinect_upload_fw.c
index d6522ff..1218230 100644 (file)
--- a/kinect_upload_fw/kinect_upload_fw.c
+++ b/kinect_upload_fw/kinect_upload_fw.c
@@ -241,7 +241,7 @@ out:
 int main(int argc, char** argv) {
        char default_filename[] = "firmware.bin";
        char* filename = default_filename;
-       int res = 0;
+       int ret = 0;
 
        if (argc == 2) {
                filename = argv[1];
@@ -259,7 +259,7 @@ int main(int argc, char** argv) {
        dev = libusb_open_device_with_vid_pid(NULL, KINECT_AUDIO_VID, KINECT_AUDIO_PID);
        if (dev == NULL) {
                fprintf(stderr, "Couldn't open device.\n");
-               res = -ENODEV;
+               ret = -ENODEV;
                goto fail_libusb_open;
        }
 
@@ -273,11 +273,11 @@ int main(int argc, char** argv) {
        current_configuration = -1;
        libusb_get_configuration(dev, &current_configuration);
        if (current_configuration != KINECT_AUDIO_CONFIGURATION) {
-               res = -ENODEV;
+               ret = -ENODEV;
                goto cleanup;
        }
 
-       res = upload_firmware(fw);
+       ret = upload_firmware(fw);
        // Now the device reenumerates.
 
 cleanup:
@@ -286,5 +286,5 @@ cleanup:
 fail_libusb_open:
        libusb_exit(NULL);
        fclose(fw);
-       return res;
+       return ret;
 }