linux-kernel - [PATCH] spi: using pm_runtime_resume_and_get instead of pm_runtime_get

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20220418110226.2559081-1-chi.minghao@zte.com.cn>
Date:   Mon, 18 Apr 2022 11:02:26 +0000
From:   cgel.zte@...il.com
To:     broonie@...nel.org
Cc:     linux-spi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Minghao Chi <chi.minghao@....com.cn>,
        Zeal Robot <zealci@....com.cn>
Subject: [PATCH] spi: using pm_runtime_resume_and_get instead of pm_runtime_get_sync

From: Minghao Chi <chi.minghao@....com.cn>

Using pm_runtime_resume_and_get is more appropriate
for simplifing code

Reported-by: Zeal Robot <zealci@....com.cn>
Signed-off-by: Minghao Chi <chi.minghao@....com.cn>
---
 drivers/spi/spi.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index 9bb5400af205..b7a45a8f8ee4 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1607,9 +1607,8 @@ static void __spi_pump_messages(struct spi_controller *ctlr, bool in_kthread)
 	mutex_lock(&ctlr->io_mutex);
 
 	if (!was_busy && ctlr->auto_runtime_pm) {
-		ret = pm_runtime_get_sync(ctlr->dev.parent);
+		ret = pm_runtime_resume_and_get(ctlr->dev.parent);
 		if (ret < 0) {
-			pm_runtime_put_noidle(ctlr->dev.parent);
 			dev_err(&ctlr->dev, "Failed to power device: %d\n",
 				ret);
 			mutex_unlock(&ctlr->io_mutex);
@@ -3540,10 +3539,9 @@ int spi_setup(struct spi_device *spi)
 	}
 
 	if (spi->controller->auto_runtime_pm && spi->controller->set_cs) {
-		status = pm_runtime_get_sync(spi->controller->dev.parent);
+		status = pm_runtime_resume_and_get(spi->controller->dev.parent);
 		if (status < 0) {
 			mutex_unlock(&spi->controller->io_mutex);
-			pm_runtime_put_noidle(spi->controller->dev.parent);
 			dev_err(&spi->controller->dev, "Failed to power device: %d\n",
 				status);
 			return status;
-- 
2.25.1