staging: greybus: loopback_test: Remove extra blank lines

Clean up extra uses of blank lines that do not follow the kernel coding
style. Issue reported by checkpatch.
Reviewed-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Jack Schofield <schofija@oregonstate.edu>
Link: https://lore.kernel.org/r/51edbcc7583d64d3fe5a203d3a8649a695ef4a75.1669872193.git.schofija@oregonstate.eduSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/greybus/tools/loopback_test.c

@@ -239,7 +239,6 @@ static void show_loopback_devices(struct loopback_test *t)
 
 	for (i = 0; i < t->device_count; i++)
 		printf("device[%d] = %s\n", i, t->devices[i].name);
-
 }
 
 int open_sysfs(const char *sys_pfx, const char *node, int flags)
@@ -274,7 +273,6 @@ float read_sysfs_float_fd(int fd, const char *sys_pfx, const char *node)
 	char buf[SYSFS_MAX_INT];
 
 	if (read(fd, buf, sizeof(buf)) < 0) {
-
 		fprintf(stderr, "unable to read from %s%s %s\n", sys_pfx, node,
 			strerror(errno));
 		close(fd);
@@ -367,7 +365,6 @@ static int get_results(struct loopback_test *t)
 			r->apbridge_unipro_latency_max - r->apbridge_unipro_latency_min;
 		r->gbphy_firmware_latency_jitter =
 			r->gbphy_firmware_latency_max - r->gbphy_firmware_latency_min;
-
 	}
 
 	/*calculate the aggregate results of all enabled devices */
@@ -407,7 +404,6 @@ static int get_results(struct loopback_test *t)
 			r->apbridge_unipro_latency_max - r->apbridge_unipro_latency_min;
 		r->gbphy_firmware_latency_jitter =
 			r->gbphy_firmware_latency_max - r->gbphy_firmware_latency_min;
-
 	}
 
 	return 0;
@@ -536,7 +532,6 @@ static int log_results(struct loopback_test *t)
 			fprintf(stderr, "unable to open %s for appending\n", file_name);
 			abort();
 		}
-
 	}
 	for (i = 0; i < t->device_count; i++) {
 		if (!device_enabled(t, i))
@@ -550,10 +545,8 @@ static int log_results(struct loopback_test *t)
 			if (ret == -1)
 				fprintf(stderr, "unable to write %d bytes to csv.\n", len);
 		}
-
 	}
 
-
 	if (t->aggregate_output) {
 		len = format_output(t, &t->aggregate_results, "aggregate",
 				    data, sizeof(data), &tm);
@@ -741,7 +734,6 @@ static int wait_for_complete(struct loopback_test *t)
 		ts = &t->poll_timeout;
 
 	while (1) {
-
 		ret = ppoll(t->fds, t->poll_count, ts, &mask_old);
 		if (ret <= 0) {
 			stop_tests(t);
@@ -781,7 +773,6 @@ static void prepare_devices(struct loopback_test *t)
 		if (t->stop_all || device_enabled(t, i))
 			write_sysfs_val(t->devices[i].sysfs_entry, "type", 0);
 
-
 	for (i = 0; i < t->device_count; i++) {
 		if (!device_enabled(t, i))
 			continue;
@@ -824,7 +815,6 @@ static int start(struct loopback_test *t)
 	return 0;
 }
 
-
 void loopback_run(struct loopback_test *t)
 {
 	int i;
@@ -853,7 +843,6 @@ void loopback_run(struct loopback_test *t)
 	if (ret)
 		goto err;
 
-
 	get_results(t);
 
 	log_results(t);
@@ -881,10 +870,8 @@ static int sanity_check(struct loopback_test *t)
 			fprintf(stderr, "Bad device mask %x\n", (1 << i));
 			return -1;
 		}
-
 	}
 
-
 	return 0;
 }