From: Mariusz Kozlowski <m.kozlowski@tuxland.pl>

make_driver_name() wants kasprintf().

Signed-off-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 kernel/module.c |   10 +---------
 1 file changed, 1 insertion(+), 9 deletions(-)

diff -puN kernel/module.c~kernel-modulec-make_driver_name-can-use-kasrpintf kernel/module.c
--- a/kernel/module.c~kernel-modulec-make_driver_name-can-use-kasrpintf
+++ a/kernel/module.c
@@ -2508,15 +2508,7 @@ void print_modules(void)
 #ifdef CONFIG_SYSFS
 static char *make_driver_name(struct device_driver *drv)
 {
-	char *driver_name;
-
-	driver_name = kmalloc(strlen(drv->name) + strlen(drv->bus->name) + 2,
-			      GFP_KERNEL);
-	if (!driver_name)
-		return NULL;
-
-	sprintf(driver_name, "%s:%s", drv->bus->name, drv->name);
-	return driver_name;
+	return kasprintf(GFP_KERNEL, "%s:%s", drv->bus->name, drv->name);
 }
 
 static void module_create_drivers_dir(struct module_kobject *mk)
_