media: exynos4-is: Fix PM disable depth imbalance in fimc_is_probe

If probe fails then we need to call pm_runtime_disable() to balance
out the previous pm_runtime_enable() call.

Fixes: 9a761e43 ("[media] exynos4-is: Add Exynos4x12 FIMC-IS driver")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/platform/samsung/exynos4-is/fimc-is.c

@@ -830,7 +830,7 @@ static int fimc_is_probe(struct platform_device *pdev)
 
 	ret = pm_runtime_resume_and_get(dev);
 	if (ret < 0)
-		goto err_irq;
+		goto err_pm_disable;
 
 	vb2_dma_contig_set_max_seg_size(dev, DMA_BIT_MASK(32));
 
@@ -864,6 +864,8 @@ static int fimc_is_probe(struct platform_device *pdev)
 	pm_runtime_put_noidle(dev);
 	if (!pm_runtime_enabled(dev))
 		fimc_is_runtime_suspend(dev);
+err_pm_disable:
+	pm_runtime_disable(dev);
 err_irq:
 	free_irq(is->irq, is);
 err_clk: