From 540d70d577dc3c78590f480c832e85ac28e5482a Mon Sep 17 00:00:00 2001
From: Philipp Zabel <p.zabel@pengutronix.de>
Date: Fri, 23 Jan 2015 13:51:32 -0300
Subject: [PATCH] [media] coda: free context buffers under buffer mutex
Make sure the buffer_mutex lock is taken in coda_bit_release
while coda_free_framebuffers and coda_free_context_buffers
are called.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Kamil Debski <k.debski@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
---
drivers/media/platform/coda/coda-bit.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/media/platform/coda/coda-bit.c b/drivers/media/platform/coda/coda-bit.c
index 7cdddd55d65d..856b542b35b9 100644
--- a/drivers/media/platform/coda/coda-bit.c
+++ b/drivers/media/platform/coda/coda-bit.c
@@ -1319,8 +1319,10 @@ static void coda_seq_end_work(struct work_struct *work)
static void coda_bit_release(struct coda_ctx *ctx)
{
+ mutex_lock(&ctx->buffer_mutex);
coda_free_framebuffers(ctx);
coda_free_context_buffers(ctx);
+ mutex_unlock(&ctx->buffer_mutex);
}
const struct coda_context_ops coda_bit_encode_ops = {
--
2.34.1