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gpio: zynq: Check return value of pm_runtime_get_sync 

[ 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>
This commit is contained in:
Srinivas Neeli 2021-04-09 19:38:05 +05:30 committed by Greg Kroah-Hartman
parent b11220803a
commit 8e1b6d96e9
1 changed files with 4 additions and 1 deletions
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5
drivers/gpio/gpio-zynq.c
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@ -938,8 +938,11 @@ err_pm_dis:
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);