| From | Sasha Levin <> | Subject | [PATCH AUTOSEL 4.19 196/209] misc: cxl: Fix possible null pointer dereference | Date | Tue, 12 Nov 2019 20:50:12 -0500 |
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From: zhong jiang <zhongjiang@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@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> --- 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 b83a373e3a8dd..08f4a512afad2 100644 --- a/drivers/misc/cxl/guest.c +++ b/drivers/misc/cxl/guest.c @@ -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; -- 2.20.1
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