From: Srinivas Kandagatla srinivas.kandagatla@linaro.org
[ Upstream commit 0978de9fc7335c73934ab8fac189fb4cb3f23191 ]
fastrpc_channel_ctx is not freed if misc_register() fails, this would lead to a memory leak. Fix this leak by adding kfree in misc_register() error path.
Fixes: 278d56f970ae ("misc: fastrpc: Reference count channel context") Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org Reviewed-by: Bjorn Andersson bjorn.andersson@linaro.org Link: https://lore.kernel.org/r/20200511162722.2552-1-srinivas.kandagatla@linaro.o... Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/misc/fastrpc.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 842f2210dc7e2..ee3291f7e6156 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -1434,8 +1434,10 @@ static int fastrpc_rpmsg_probe(struct rpmsg_device *rpdev) domains[domain_id]); data->miscdev.fops = &fastrpc_fops; err = misc_register(&data->miscdev); - if (err) + if (err) { + kfree(data); return err; + }
kref_init(&data->refcount);