summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorSrinivas Neeli <srinivas.neeli@xilinx.com>2021-04-09 17:08:05 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-20 17:17:50 +0300
commita7587d3b26cac10c9a13358ed4d2fcaa4d534aeb (patch)
tree124e3339600d77e2d363f5edff4c2013ae599cfb
parentdd47d2fe06390cc0f6252aa5c4a58bd93a11d596 (diff)
downloadlinux-a7587d3b26cac10c9a13358ed4d2fcaa4d534aeb.tar.xz
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>
-rw-r--r--drivers/gpio/gpio-zynq.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/gpio/gpio-zynq.c b/drivers/gpio/gpio-zynq.c
index f1d7066b6637..e8295519fa7d 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -900,8 +900,11 @@ 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);