From: "Gustavo A. R. Silva" <gustavo@embeddedor.com>
To: Heikki Krogerus <heikki.krogerus@linux.intel.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Ajay Gupta <ajayg@nvidia.com>
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
"Gustavo A. R. Silva" <gustavo@embeddedor.com>
Subject: [PATCH] usb: typec: ucsi: ccg: fix memory leak in do_flash
Date: Mon, 27 May 2019 13:10:50 -0500 [thread overview]
Message-ID: <20190527181050.GA31496@embeddedor> (raw)
In case memory resources for *fw* were successfully allocated,
release them before return.
Addresses-Coverity-ID: 1445499 ("Resource leak")
Fixes: 5c9ae5a87573 ("usb: typec: ucsi: ccg: add firmware flashing support")
Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
drivers/usb/typec/ucsi/ucsi_ccg.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c
index 9d46aa9e4e35..bf63074675fc 100644
--- a/drivers/usb/typec/ucsi/ucsi_ccg.c
+++ b/drivers/usb/typec/ucsi/ucsi_ccg.c
@@ -862,8 +862,10 @@ static int do_flash(struct ucsi_ccg *uc, enum enum_flash_mode mode)
not_signed_fw:
wr_buf = kzalloc(CCG4_ROW_SIZE + 4, GFP_KERNEL);
- if (!wr_buf)
- return -ENOMEM;
+ if (!wr_buf) {
+ err = -ENOMEM;
+ goto release_fw;
+ }
err = ccg_cmd_enter_flashing(uc);
if (err)
--
2.21.0
next reply other threads:[~2019-05-27 18:33 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-05-27 18:10 Gustavo A. R. Silva [this message]
2019-05-28 8:04 ` [PATCH] usb: typec: ucsi: ccg: fix memory leak in do_flash Heikki Krogerus
2019-05-28 8:06 ` Heikki Krogerus
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