[PATCH] drm/msm: fix leaks if initialization fails

From: Pavel Machek
Date: Mon Mar 09 2020 - 06:14:14 EST


We should free resources in unlikely case of allocation failure.

Signed-off-by: Pavel Machek <pavel@xxxxxxx>

---

> Can you submit a patch to fix it?

Here it is.

Best regards,
Pavel


diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
index 83a0000eecb3..f5c1495cc4b9 100644
--- a/drivers/gpu/drm/msm/msm_drv.c
+++ b/drivers/gpu/drm/msm/msm_drv.c
@@ -444,8 +444,10 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
if (!dev->dma_parms) {
dev->dma_parms = devm_kzalloc(dev, sizeof(*dev->dma_parms),
GFP_KERNEL);
- if (!dev->dma_parms)
- return -ENOMEM;
+ if (!dev->dma_parms) {
+ ret = -ENOMEM;
+ goto err_msm_uninit;
+ }
}
dma_set_max_seg_size(dev, DMA_BIT_MASK(32));



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