From 9bb086e5ba9495ac150fbbcc5c8c2bccc06261dd Mon Sep 17 00:00:00 2001 From: Chen Zhou Date: Wed, 1 Apr 2020 11:00:17 +0800 Subject: [PATCH] staging: greybus: fix a missing-check bug in gb_lights_light_config() In gb_lights_light_config(), 'light->name' is allocated by kstrndup(). It returns NULL when fails, add check for it. Signed-off-by: Chen Zhou Acked-by: Rui Miguel Silva Link: https://lore.kernel.org/r/20200401030017.100274-1-chenzhou10@huawei.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/greybus/light.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/staging/greybus/light.c b/drivers/staging/greybus/light.c index d6ba25f21d80..d2672b65c3f4 100644 --- a/drivers/staging/greybus/light.c +++ b/drivers/staging/greybus/light.c @@ -1026,7 +1026,8 @@ static int gb_lights_light_config(struct gb_lights *glights, u8 id) light->channels_count = conf.channel_count; light->name = kstrndup(conf.name, NAMES_MAX, GFP_KERNEL); - + if (!light->name) + return -ENOMEM; light->channels = kcalloc(light->channels_count, sizeof(struct gb_channel), GFP_KERNEL); if (!light->channels)