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Subject[PATCH] p54usb: fix leaks at failure path in p54u_probe()
Date
If p54u_load_firmware() fails, p54u_probe() does not deallocate
already allocated resources. The patch adds proper failure handling.

Found by Linux Driver Verification project (linuxtesting.org).

Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
---
drivers/net/wireless/p54/p54usb.c | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/drivers/net/wireless/p54/p54usb.c b/drivers/net/wireless/p54/p54usb.c
index 6e635cfa24c8..5df74503fd4f 100644
--- a/drivers/net/wireless/p54/p54usb.c
+++ b/drivers/net/wireless/p54/p54usb.c
@@ -1053,6 +1053,10 @@ static int p54u_probe(struct usb_interface *intf,
priv->upload_fw = p54u_upload_firmware_net2280;
}
err = p54u_load_firmware(dev, intf);
+ if (err) {
+ usb_put_dev(udev);
+ p54_free_common(dev);
+ }
return err;
}

--
1.8.3.2


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