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media: staging: atomisp: Don't leak GPIO resources if clk_get() failed 

In case devm_clk_get() call fails the previously requested GPIOs are
left requested.

Fix this by moving GPIO request code after devm_clk_get() call.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
This commit is contained in:
Andy Shevchenko 2017-12-19 15:59:48 -05:00 committed by Mauro Carvalho Chehab
parent 5fac8da586
commit cae8b2e138
1 changed files with 2 additions and 2 deletions
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4
drivers/staging/media/atomisp/platform/intel-mid/atomisp_gmin_platform.c
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@ -322,8 +322,6 @@ static struct gmin_subdev *gmin_subdev_add(struct v4l2_subdev *subdev)
VLV2_CLK_PLL_19P2MHZ);
gmin_subdevs[i].csi_port = gmin_get_var_int(dev, "CsiPort", 0);
gmin_subdevs[i].csi_lanes = gmin_get_var_int(dev, "CsiLanes", 1);
gmin_subdevs[i].gpio0 = gpiod_get_index(dev, NULL, 0, GPIOD_OUT_LOW);
gmin_subdevs[i].gpio1 = gpiod_get_index(dev, NULL, 1, GPIOD_OUT_LOW);
/* get PMC clock with clock framework */
snprintf(gmin_pmc_clk_name,
@ -356,9 +354,11 @@ static struct gmin_subdev *gmin_subdev_add(struct v4l2_subdev *subdev)
if (!ret)
clk_disable_unprepare(gmin_subdevs[i].pmc_clk);
gmin_subdevs[i].gpio0 = gpiod_get_index(dev, NULL, 0, GPIOD_OUT_LOW);
if (IS_ERR(gmin_subdevs[i].gpio0))
gmin_subdevs[i].gpio0 = NULL;
gmin_subdevs[i].gpio1 = gpiod_get_index(dev, NULL, 1, GPIOD_OUT_LOW);
if (IS_ERR(gmin_subdevs[i].gpio1))
gmin_subdevs[i].gpio1 = NULL;