misc: cxl: Fix possible null pointer dereference

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>

diff --git a/drivers/misc/cxl/guest.c b/drivers/misc/cxl/guest.c
index 3bc0c15d4d85b7f16e8ad10fa00847c17ee5dc7e..5d28d9e454f5299bd3113c30807679cfebe2c6b6 100644 (file)
--- a/drivers/misc/cxl/guest.c
+++ b/drivers/misc/cxl/guest.c
@@ -1018,8 +1018,6 @@ err1:
 
 void cxl_guest_remove_afu(struct cxl_afu *afu)
 {
-       pr_devel("in %s - AFU(%d)\n", __func__, afu->slice);
-
        if (!afu)
                return;