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staging: greybus: fix a missing-check bug in gb_lights_light_config()

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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 <chenzhou10@huawei.com>
Acked-by: Rui Miguel Silva <rmfrfs@gmail.com>
Link: https://lore.kernel.org/r/20200401030017.100274-1-chenzhou10@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Chen Zhou 2020-04-01 11:00:17 +08:00 committed by Greg Kroah-Hartman
parent c42f736332
commit 9bb086e5ba
1 changed files with 2 additions and 1 deletions
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3
drivers/staging/greybus/light.c
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@ -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)