Messages in this thread Patch in this message | | | From | Chuhong Yuan <> | Subject | [PATCH] media: allegro: add the missed check for v4l2_m2m_ctx_init | Date | Mon, 9 Dec 2019 16:58:07 +0800 |
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allegro_open() misses a check for v4l2_m2m_ctx_init(). Add a check and error handling code to fix it.
Fixes: f20387dfd065 ("media: allegro: add Allegro DVT video IP core driver") Signed-off-by: Chuhong Yuan <hslester96@gmail.com> --- drivers/staging/media/allegro-dvt/allegro-core.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/drivers/staging/media/allegro-dvt/allegro-core.c b/drivers/staging/media/allegro-dvt/allegro-core.c index 6f0cd0784786..5f1d454b41bb 100644 --- a/drivers/staging/media/allegro-dvt/allegro-core.c +++ b/drivers/staging/media/allegro-dvt/allegro-core.c @@ -2341,6 +2341,13 @@ static int allegro_open(struct file *file) channel->fh.m2m_ctx = v4l2_m2m_ctx_init(dev->m2m_dev, channel, allegro_queue_init); + if (IS_ERR(channel->fh.m2m_ctx)) { + v4l2_fh_del(&channel->fh); + v4l2_fh_exit(&channel->fh); + kfree(channel); + return PTR_ERR(channel->fh.m2m_ctx); + } + return 0; } -- 2.24.0
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