[PATCH AUTOSEL 5.5 216/542] x86/mce/therm_throt: Mark throttle_active_work() as __maybe_unused

[PATCH AUTOSEL 5.5 216/542] x86/mce/therm_throt: Mark throttle_active_work() as __maybe_unused

[Sasha Levin]

From: Arnd Bergmann <arnd@arndb.de>

[ Upstream commit db1ae0314f47e88ae06679270adf17ffa245afd4 ]

throttle_active_work() is only called if CONFIG_SYSFS is set, otherwise
we get a harmless warning:

  arch/x86/kernel/cpu/mce/therm_throt.c:238:13: error: 'throttle_active_work' \
	  defined but not used [-Werror=unused-function]

Mark the function as __maybe_unused to avoid the warning.

Fixes: f6656208f04e ("x86/mce/therm_throt: Optimize notifications of thermal throttle")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Borislav Petkov <bp@suse.de>
Reviewed-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Cc: bberg@redhat.com
Cc: ckellner@redhat.com
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: hdegoede@redhat.com
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tony Luck <tony.luck@intel.com>
Cc: x86-ml <x86@kernel.org>
Link: https://lkml.kernel.org/r/20191210203925.3119091-1-arnd@arndb.de
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 arch/x86/kernel/cpu/mce/therm_throt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/mce/therm_throt.c b/arch/x86/kernel/cpu/mce/therm_throt.c
index 6c3e1c92f1835..58b4ee3cda777 100644
--- a/arch/x86/kernel/cpu/mce/therm_throt.c
+++ b/arch/x86/kernel/cpu/mce/therm_throt.c
@@ -235,7 +235,7 @@ static void get_therm_status(int level, bool *proc_hot, u8 *temp)
 	*temp = (msr_val >> 16) & 0x7F;
 }
 
-static void throttle_active_work(struct work_struct *work)
+static void __maybe_unused throttle_active_work(struct work_struct *work)
 {
 	struct _thermal_state *state = container_of(to_delayed_work(work),
 						struct _thermal_state, therm_work);
-- 
2.20.1

[PATCH AUTOSEL 5.5 394/542] EDAC/sifive: Fix return value check in ecc_register()

[Sasha Levin]

From: Wei Yongjun <weiyongjun1@huawei.com>

[ Upstream commit 6cd18453b68942913fd3b1913b707646e544c2ac ]

In case of error, the function edac_device_alloc_ctl_info() returns a
NULL pointer, not ERR_PTR(). Replace the IS_ERR() test in the return
value check with a NULL test.

Fixes: 91abaeaaff35 ("EDAC/sifive: Add EDAC platform driver for SiFive SoCs")
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20200115150303.112627-1-weiyongjun1@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/edac/sifive_edac.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/edac/sifive_edac.c b/drivers/edac/sifive_edac.c
index c0cc72a3b2be9..3a3dcb14ed99d 100644
--- a/drivers/edac/sifive_edac.c
+++ b/drivers/edac/sifive_edac.c
@@ -54,8 +54,8 @@ static int ecc_register(struct platform_device *pdev)
 	p->dci = edac_device_alloc_ctl_info(0, "sifive_ecc", 1, "sifive_ecc",
 					    1, 1, NULL, 0,
 					    edac_device_alloc_index());
-	if (IS_ERR(p->dci))
-		return PTR_ERR(p->dci);
+	if (!p->dci)
+		return -ENOMEM;
 
 	p->dci->dev = &pdev->dev;
 	p->dci->mod_name = "Sifive ECC Manager";
-- 
2.20.1