[PATCH AUTOSEL 4.9 65/68] misc: cxl: Fix possible null pointer dereference
Sasha Levin
sashal at kernel.org
Wed Nov 13 12:59:29 AEDT 2019
From: zhong jiang <zhongjiang at huawei.com>
[ 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 at huawei.com>
Acked-by: Andrew Donnellan <andrew.donnellan at au1.ibm.com>
Acked-by: Frederic Barrat <fbarrat at linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal at kernel.org>
---
drivers/misc/cxl/guest.c | 2 --
1 file changed, 2 deletions(-)
diff --git a/drivers/misc/cxl/guest.c b/drivers/misc/cxl/guest.c
index 3e102cd6ed914..d08509cd978a4 100644
--- a/drivers/misc/cxl/guest.c
+++ b/drivers/misc/cxl/guest.c
@@ -1026,8 +1026,6 @@ 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;
--
2.20.1
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