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media: s5p-g2d: Fix a memory leak on ctx->fh.m2m_ctx 

[ Upstream commit 5d11e6aad1811ea293ee2996cec9124f7fccb661 ]

The m2m_ctx resources was allocated by v4l2_m2m_ctx_init() in g2d_open()
should be freed from g2d_release() when it's not used.

Fix it

Fixes: 918847341a ("[media] v4l: add G2D driver for s5p device family")
Signed-off-by: Dillon Min <dillon.minfei@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Dillon Min 2021-05-26 17:18:32 +02:00 committed by Greg Kroah-Hartman
parent 3bf0509d25
commit b585f9ef6a
1 changed files with 3 additions and 0 deletions
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3
drivers/media/platform/s5p-g2d/g2d.c
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@ -276,6 +276,9 @@ static int g2d_release(struct file *file)
struct g2d_dev *dev = video_drvdata(file);
struct g2d_ctx *ctx = fh2ctx(file->private_data);
mutex_lock(&dev->mutex);
v4l2_m2m_ctx_release(ctx->fh.m2m_ctx);
mutex_unlock(&dev->mutex);
v4l2_ctrl_handler_free(&ctx->ctrl_handler);
v4l2_fh_del(&ctx->fh);
v4l2_fh_exit(&ctx->fh);