s390/iucv: sort out physical vs virtual pointers usage

Alexander Gordeev · kuba-moo · commit ab847d03a5e4 · 2022-02-22T16:09:13.000-08:00
Fix virtual vs physical address confusion (which currently are the same).

Reviewed-by: Alexandra Winter &lt;wintera@linux.ibm.com&gt;
Reviewed-by: Wenjia Zhang &lt;wenjia@linux.ibm.com&gt;
Signed-off-by: Alexander Gordeev &lt;agordeev@linux.ibm.com&gt;
Signed-off-by: Alexandra Winter &lt;wintera@linux.ibm.com&gt;
Signed-off-by: Jakub Kicinski &lt;kuba@kernel.org&gt;
diff --git a/net/iucv/iucv.c b/net/iucv/iucv.c
@@ -319,7 +319,7 @@ static inline int iucv_call_b2f0(int command, union iucv_param *parm)
  */
 static int __iucv_query_maxconn(void *param, unsigned long *max_pathid)
 {
-	unsigned long reg1 = (unsigned long)param;
+	unsigned long reg1 = virt_to_phys(param);
 	int cc;
 
 	asm volatile (

Original file line number	Diff line number	Diff line change
`@@ -319,7 +319,7 @@ static inline int iucv_call_b2f0(int command, union iucv_param *parm)`
`319`	`319`	`*/`
`320`	`320`	`static int __iucv_query_maxconn(void param, unsigned long max_pathid)`
`321`	`321`	`{`
`322`		`- unsigned long reg1 = (unsigned long)param;`
	`322`	`+ unsigned long reg1 = virt_to_phys(param);`
`323`	`323`	`int cc;`
`324`	`324`
`325`	`325`	`asm volatile (`