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Date: Tue, 29 Sep 2020 12:59:27 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Pavel Machek <pavel@...x.de>, Rob Clark <robdclark@...omium.org>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 4.19 116/245] drm/msm: fix leaks if initialization fails From: Pavel Machek <pavel@...x.de> [ Upstream commit 66be340f827554cb1c8a1ed7dea97920b4085af2 ] We should free resources in unlikely case of allocation failure. Signed-off-by: Pavel Machek <pavel@...x.de> Signed-off-by: Rob Clark <robdclark@...omium.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/gpu/drm/msm/msm_drv.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index 7f45486b6650b..3ba3ae9749bec 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -495,8 +495,10 @@ 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)); -- 2.25.1
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