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From: Yangtao Li <tiny.windzz@gmail.com>
To: rjw@rjwysocki.net, khilman@kernel.org, ulf.hansson@linaro.org,
	pavel@ucw.cz, len.brown@intel.com, gregkh@linuxfoundation.org
Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	Yangtao Li <tiny.windzz@gmail.com>
Subject: [PATCH] PM / Domains: remove unnecessary unlikely()
Date: Tue, 16 Apr 2019 12:23:05 -0400	[thread overview]
Message-ID: <20190416162305.24375-1-tiny.windzz@gmail.com> (raw)

WARN_ON() already contains an unlikely(), so it's not necessary to use
unlikely.

Signed-off-by: Yangtao Li <tiny.windzz@gmail.com>
---
 drivers/base/power/domain.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 96a6dc9d305c..598a4e02aee1 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -391,11 +391,9 @@ int dev_pm_genpd_set_performance_state(struct device *dev, unsigned int state)
 	if (unlikely(!genpd->set_performance_state))
 		return -EINVAL;
 
-	if (unlikely(!dev->power.subsys_data ||
-		     !dev->power.subsys_data->domain_data)) {
-		WARN_ON(1);
+	if (WARN_ON(!dev->power.subsys_data ||
+		     !dev->power.subsys_data->domain_data))
 		return -EINVAL;
-	}
 
 	genpd_lock(genpd);
 
-- 
2.17.0

             reply	other threads:[~2019-04-16 16:23 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-04-16 16:23 Yangtao Li [this message]
2019-04-17  8:38 ` [PATCH] PM / Domains: remove unnecessary unlikely() Ulf Hansson
2019-05-01 10:24   ` Rafael J. Wysocki

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