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authorSrinivas Neeli <srinivas.neeli@xilinx.com>2021-04-09 19:38:05 +0530
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-07-20 16:22:41 +0200
commit2f02ffdd6f6d2bd3f0974387348522bae0c22a2f (patch)
tree22e595b47e5737ed02e1be59baef66c47843d4a3
parent209fcdad57061f30c5acaca4fe3eed36c28c2086 (diff)
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 8abeacac5885..ccfdf5a45998 100644
--- a/drivers/gpio/gpio-zynq.c
+++ b/drivers/gpio/gpio-zynq.c
@@ -764,8 +764,11 @@ err_disable_clk:
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);