Merge commit 'linus' into next

1 files changed, 22 insertions, 7 deletions

diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 4fa954b07ac..9d2ee25deaf 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -1000,7 +1000,7 @@ static __initdata LIST_HEAD(early_platform_device_list);
 int __init early_platform_driver_register(struct early_platform_driver *epdrv,
 					  char *buf)
 {
-	unsigned long index;
+	char *tmp;
 	int n;
 
 	/* Simply add the driver to the end of the global list.
@@ -1019,13 +1019,28 @@ int __init early_platform_driver_register(struct early_platform_driver *epdrv,
 	if (buf && !strncmp(buf, epdrv->pdrv->driver.name, n)) {
 		list_move(&epdrv->list, &early_platform_driver_list);
 
-		if (!strcmp(buf, epdrv->pdrv->driver.name))
+		/* Allow passing parameters after device name */
+		if (buf[n] == '\0' || buf[n] == ',')
 			epdrv->requested_id = -1;
-		else if (buf[n] == '.' && strict_strtoul(&buf[n + 1], 10,
-							 &index) == 0)
-			epdrv->requested_id = index;
-		else
-			epdrv->requested_id = EARLY_PLATFORM_ID_ERROR;
+		else {
+			epdrv->requested_id = simple_strtoul(&buf[n + 1],
+							     &tmp, 10);
+
+			if (buf[n] != '.' || (tmp == &buf[n + 1])) {
+				epdrv->requested_id = EARLY_PLATFORM_ID_ERROR;
+				n = 0;
+			} else
+				n += strcspn(&buf[n + 1], ",") + 1;
+		}
+
+		if (buf[n] == ',')
+			n++;
+
+		if (epdrv->bufsize) {
+			memcpy(epdrv->buffer, &buf[n],
+			       min_t(int, epdrv->bufsize, strlen(&buf[n]) + 1));
+			epdrv->buffer[epdrv->bufsize - 1] = '\0';
+		}
 	}
 
 	return 0;