[PATCH 5.10 391/663] sparc: fix led.c driver when PROC_FS is not enabled

From: Greg Kroah-Hartman
Date: Mon Mar 01 2021 - 20:19:45 EST


From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

[ Upstream commit b3554aa2470b5db1222c31e08ec9c29ab33eabc7 ]

Fix Sparc build when CONFIG_PROC_FS is not enabled.

Fixes this build error:
arch/sparc/kernel/led.c:107:30: error: 'led_proc_ops' defined but not used [-Werror=unused-const-variable=]
107 | static const struct proc_ops led_proc_ops = {
| ^~~~~~~~~~~~
cc1: all warnings being treated as errors

Fixes: 97a32539b956 ("proc: convert everything to "struct proc_ops"")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Alexey Dobriyan <adobriyan@xxxxxxxxx>
Cc: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Lars Kotthoff <metalhead@xxxxxxxxxxxx>
Cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
Cc: sparclinux@xxxxxxxxxxxxxxx
Signed-off-by: David S. Miller <davem@xxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
arch/sparc/kernel/led.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
index bd48575172c32..3a66e62eb2a0e 100644
--- a/arch/sparc/kernel/led.c
+++ b/arch/sparc/kernel/led.c
@@ -50,6 +50,7 @@ static void led_blink(struct timer_list *unused)
add_timer(&led_blink_timer);
}

+#ifdef CONFIG_PROC_FS
static int led_proc_show(struct seq_file *m, void *v)
{
if (get_auxio() & AUXIO_LED)
@@ -111,6 +112,7 @@ static const struct proc_ops led_proc_ops = {
.proc_release = single_release,
.proc_write = led_proc_write,
};
+#endif

static struct proc_dir_entry *led;

--
2.27.0