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From: Sui Jingfeng <suijingfeng@loongson.cn>
To: Thierry Reding <thierry.reding@gmail.com>,
	Mikko Perttunen <mperttunen@nvidia.com>,
	David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
	Jonathan Hunter <jonathanh@nvidia.com>
Cc: dri-devel@lists.freedesktop.org, linux-tegra@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH 1/2] drm/tegra: Return an error code if fails
Date: Mon, 26 Jun 2023 22:33:30 +0800	[thread overview]
Message-ID: <20230626143331.640454-1-suijingfeng@loongson.cn> (raw)

Return -ENOMEM if tegra_bo_mmap() fails.

Signed-off-by: Sui Jingfeng <suijingfeng@loongson.cn>
---
 drivers/gpu/drm/tegra/gem.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/tegra/gem.c b/drivers/gpu/drm/tegra/gem.c
index dea38892d6e6..0ce22935fbd3 100644
--- a/drivers/gpu/drm/tegra/gem.c
+++ b/drivers/gpu/drm/tegra/gem.c
@@ -710,6 +710,8 @@ static int tegra_gem_prime_vmap(struct dma_buf *buf, struct iosys_map *map)
 	void *vaddr;
 
 	vaddr = tegra_bo_mmap(&bo->base);
+	if (!vaddr)
+		return -ENOMEM;
 	if (IS_ERR(vaddr))
 		return PTR_ERR(vaddr);
 
-- 
2.25.1


             reply	other threads:[~2023-06-26 14:33 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-06-26 14:33 Sui Jingfeng [this message]
2023-06-26 14:33 ` [PATCH 2/2] drm/tegra: Remove surplus else after return Sui Jingfeng
2023-10-10 15:28   ` Thierry Reding
2023-07-27 10:02 ` [1/2] drm/tegra: Return an error code if fails suijingfeng
2023-10-10 13:22 ` [PATCH 1/2] " Thierry Reding
2023-10-10 15:31   ` Thierry Reding
2023-10-11  3:06     ` Sui Jingfeng

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