[PATCH 4.19 08/86] xtensa: update *pos in cpuinfo_op.next

Greg Kroah-Hartman
2020-07-27T14:39:02Z

From: Max Filippov <jcmvbkbc@gmail.com>

[ 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>
---
arch/xtensa/kernel/setup.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 15580e4fc766a..6a0167ac803c6 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -720,7 +720,8 @@ 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
--
2.25.1