From 16ee9bb100340f9f775ab334acb645f54642f312 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Wed, 5 May 2010 02:58:57 -0300 Subject: [PATCH] V4L/DVB: media/mem2mem: dereferencing free memory We dereferenced "ctx" on the error path. Signed-off-by: Dan Carpenter Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/mem2mem_testdev.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/media/video/mem2mem_testdev.c b/drivers/media/video/mem2mem_testdev.c index baf211b9f6ce..b161d26b0ddf 100644 --- a/drivers/media/video/mem2mem_testdev.c +++ b/drivers/media/video/mem2mem_testdev.c @@ -871,8 +871,10 @@ static int m2mtest_open(struct file *file) ctx->m2m_ctx = v4l2_m2m_ctx_init(ctx, dev->m2m_dev, queue_init); if (IS_ERR(ctx->m2m_ctx)) { + int ret = PTR_ERR(ctx->m2m_ctx); + kfree(ctx); - return PTR_ERR(ctx->m2m_ctx); + return ret; } atomic_inc(&dev->num_inst); -- 2.34.1