From cf642904be39ae0d441dbdfa8f485e0a46260be4 Mon Sep 17 00:00:00 2001 From: Gaosheng Cui Date: Wed, 9 Oct 2024 16:28:02 +0800 Subject: [PATCH] media: platform: allegro-dvt: Fix possible memory leak in allocate_buffers_internal() commit 0f514068fbc5d4d189c817adc7c4e32cffdc2e47 upstream. The buffer in the loop should be released under the exception path, otherwise there may be a memory leak here. To mitigate this, free the buffer when allegro_alloc_buffer fails. Fixes: f20387dfd065 ("media: allegro: add Allegro DVT video IP core driver") Cc: Signed-off-by: Gaosheng Cui Signed-off-by: Hans Verkuil Signed-off-by: Greg Kroah-Hartman --- drivers/staging/media/allegro-dvt/allegro-core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/staging/media/allegro-dvt/allegro-core.c b/drivers/staging/media/allegro-dvt/allegro-core.c index c5a262a12e40..6d2f094e7b1a 100644 --- a/drivers/staging/media/allegro-dvt/allegro-core.c +++ b/drivers/staging/media/allegro-dvt/allegro-core.c @@ -1250,8 +1250,10 @@ static int allocate_buffers_internal(struct allegro_channel *channel, INIT_LIST_HEAD(&buffer->head); err = allegro_alloc_buffer(dev, buffer, size); - if (err) + if (err) { + kfree(buffer); goto err; + } list_add(&buffer->head, list); }