From: Max Filippov <jcmvbkbc@gmail.com>
Date: Thu, 2 Jul 2020 15:32:25 +0000 (-0700)
Subject: xtensa: update *pos in cpuinfo_op.next
X-Git-Tag: v4.4.232~50
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8a0f6e6d2252ff938af94fcc8404fc4ac21de2a1;p=thirdparty%2Fkernel%2Fstable.git

xtensa: update *pos in cpuinfo_op.next

[ Upstream commit 0d5ab144429e8bd80889b856a44d56ab4a5cd59b ]

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 <jcmvbkbc@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 49ccbd9022f61..92f5a259e2517 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -716,7 +716,8 @@ 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