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authorSrinivas Neeli <srinivas.neeli@xilinx.com>2021-04-09 19:38:05 +0530
committerBartosz Golaszewski <bgolaszewski@baylibre.com>2021-06-14 20:20:38 +0200
commita51b2fb94b04ab71e53a71b9fad03fa826941254 (patch)
tree4f54b7347051278360e098f567600f09a8485d32 /drivers/gpio/gpio-zynq.c
parentc43ce4740249b485846093f8a66220b25fb86290 (diff)
downloadlinux-a51b2fb94b04ab71e53a71b9fad03fa826941254.tar.bz2
gpio: zynq: Check return value of pm_runtime_get_sync
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>
Diffstat (limited to 'drivers/gpio/gpio-zynq.c')
-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 bb1ac0c5cf26..c91302a16c77 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -1001,8 +1001,11 @@ 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);