Commit 5d017065 authored Oct 04, 2018 by zhong jiang Committed by Greg Kroah-Hartman Nov 24, 2019

misc: cxl: Fix possible null pointer dereference



[ Upstream commit 3dac3583bf1a61db6aaf31dfd752c677a4400afd ]

It is not safe to dereference an object before a null test. It is
not needed and just remove them. Ftrace can be used instead.

Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Acked-by: Andrew Donnellan <andrew.donnellan@au1.ibm.com>
Acked-by: Frederic Barrat <fbarrat@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 9089b2f0

drivers/misc/cxl/guest.c

+0 −2

Original line number	Diff line number	Diff line
		@@ -1020,8 +1020,6 @@ int cxl_guest_init_afu(struct cxl adapter, int slice, struct device_node afu_n

		void cxl_guest_remove_afu(struct cxl_afu *afu)
		{
		pr_devel("in %s - AFU(%d)\n", __func__, afu->slice);

		if (!afu)
		return;