linux-kernel - [PATCH] thermal: netlink: Fix parameter type of thermal_genl_cpu_capability

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Date:   Mon,  7 Feb 2022 09:38:29 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     "Rafael J. Wysocki" <rafael@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     Amit Kucheria <amitk@...nel.org>, Zhang Rui <rui.zhang@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nathan Chancellor <nathan@...nel.org>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: [PATCH] thermal: netlink: Fix parameter type of thermal_genl_cpu_capability_event() stub

When building with CONFIG_THERMAL_NETLINK=n, there is a spew of warnings
along the lines of:

  In file included from drivers/thermal/thermal_core.c:27:
  In file included from drivers/thermal/thermal_core.h:15:
  drivers/thermal/thermal_netlink.h:113:71: warning: declaration of 'struct cpu_capability' will not be visible outside of this function [-Wvisibility]
  static inline int thermal_genl_cpu_capability_event(int count, struct cpu_capability *caps)
                                                                        ^
  1 warning generated.

'struct cpu_capability' is not forward declared anywhere in the header.
As it turns out, this should really be 'struct thermal_genl_cpu_caps',
which silences the warning and makes the parameter types of the stub
match the full function.

Fixes: e4b1eb24ce5a ("thermal: netlink: Add a new event to notify CPU capabilities change")
Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
Signed-off-by: Nathan Chancellor <nathan@...nel.org>
---
 drivers/thermal/thermal_netlink.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/thermal/thermal_netlink.h b/drivers/thermal/thermal_netlink.h
index 04d1adbbc012..1052f523188d 100644
--- a/drivers/thermal/thermal_netlink.h
+++ b/drivers/thermal/thermal_netlink.h
@@ -110,7 +110,7 @@ static inline int thermal_genl_sampling_temp(int id, int temp)
 	return 0;
 }
 
-static inline int thermal_genl_cpu_capability_event(int count, struct cpu_capability *caps)
+static inline int thermal_genl_cpu_capability_event(int count, struct thermal_genl_cpu_caps *caps)
 {
 	return 0;
 }

base-commit: 08615cb8c0e1deeca5489d672213fb205fa53c3b
-- 
2.35.1