lkml.org 
[lkml]   [2021]   [Jul]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH AUTOSEL 4.4 12/23] gpio: zynq: Check return value of pm_runtime_get_sync
Date
From: Srinivas Neeli <srinivas.neeli@xilinx.com>

[ Upstream commit a51b2fb94b04ab71e53a71b9fad03fa826941254 ]

Return value of "pm_runtime_get_sync" API was neither captured nor checked.
Fixed it by capturing the return value and then checking for any warning.

Addresses-Coverity: "check_return"
Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/gpio/gpio-zynq.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index 8abeacac5885..ccfdf5a45998 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -764,8 +764,11 @@ static int zynq_gpio_probe(struct platform_device *pdev)
static int zynq_gpio_remove(struct platform_device *pdev)
{
struct zynq_gpio *gpio = platform_get_drvdata(pdev);
+ int ret;

- pm_runtime_get_sync(&pdev->dev);
+ ret = pm_runtime_get_sync(&pdev->dev);
+ if (ret < 0)
+ dev_warn(&pdev->dev, "pm_runtime_get_sync() Failed\n");
gpiochip_remove(&gpio->chip);
clk_disable_unprepare(gpio->clk);
device_set_wakeup_capable(&pdev->dev, 0);
--
2.30.2
\
 
 \ /
  Last update: 2021-07-10 04:42    [W:0.113 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site