Commit aa899e68 authored by Stefan Wahren's avatar Stefan Wahren Committed by Greg Kroah-Hartman
Browse files

staging: vchiq_arm: Avoid NULL ptr deref in vchiq_dump_platform_instances 



vchiq_get_state() can return a NULL pointer. So handle this cases and
avoid a NULL pointer derefence in vchiq_dump_platform_instances.

Reviewed-by: default avatarNicolas Saenz Julienne <nsaenz@kernel.org>
Signed-off-by: default avatarStefan Wahren <stefan.wahren@i2se.com>
Link: https://lore.kernel.org/r/1642968143-19281-17-git-send-email-stefan.wahren@i2se.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 914813cc

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.c

+3 −0
Original line number Diff line number Diff line
@@ -1204,6 +1204,9 @@ int vchiq_dump_platform_instances(void *dump_context) 
	int len;

	int i;



	if (!state)

		return -ENOTCONN;



	/*

	 * There is no list of instances, so instead scan all services,

	 * marking those that have been dumped.