xtensa: update *pos in cpuinfo_op.next

jcmvbkbc · jcmvbkbc · commit 0d5ab144429e · 2020-07-02T08:35:02.000-07:00
Increment *pos in the cpuinfo_op.next to fix the following warning
triggered by cat /proc/cpuinfo:

  seq_file: buggy .next function c_next did not update position index

Signed-off-by: Max Filippov &lt;jcmvbkbc@gmail.com&gt;
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
@@ -724,7 +724,8 @@ c_start(struct seq_file *f, loff_t *pos)
 static void *
 c_next(struct seq_file *f, void *v, loff_t *pos)
 {
-	return NULL;
+	++*pos;
+	return c_start(f, pos);
 }
 
 static void

Original file line number	Diff line number	Diff line change
`@@ -724,7 +724,8 @@ c_start(struct seq_file f, loff_t pos)`
`724`	`724`	`static void *`
`725`	`725`	`c_next(struct seq_file f, void v, loff_t *pos)`
`726`	`726`	`{`
`727`		`- return NULL;`
	`727`	`+ ++*pos;`
	`728`	`+ return c_start(f, pos);`
`728`	`729`	`}`
`729`	`730`
`730`	`731`	`static void`