Discussion:
[PATCH] net: can: esd_usb2: fix memory leak on disconnect
Alexey Khoroshilov
2014-10-10 20:31:07 UTC
Permalink
It seems struct esd_usb2 dev is not deallocated on disconnect.

The patch adds the deallocation.

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

Signed-off-by: Alexey Khoroshilov <***@ispras.ru>
---
drivers/net/can/usb/esd_usb2.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c
index b7c9e8b11460..7a90075529c3 100644
--- a/drivers/net/can/usb/esd_usb2.c
+++ b/drivers/net/can/usb/esd_usb2.c
@@ -1143,6 +1143,7 @@ static void esd_usb2_disconnect(struct usb_interface *intf)
}
}
unlink_all_urbs(dev);
+ kfree(dev);
}
}
--
1.9.1
Matthias Fuchs
2014-10-13 08:05:47 UTC
Permalink
Hi Alexey,
Post by Alexey Khoroshilov
It seems struct esd_usb2 dev is not deallocated on disconnect.
The patch adds the deallocation.
Found by Linux Driver Verification project (linuxtesting.org).
---
drivers/net/can/usb/esd_usb2.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/net/can/usb/esd_usb2.c b/drivers/net/can/usb/esd_usb2.c
index b7c9e8b11460..7a90075529c3 100644
--- a/drivers/net/can/usb/esd_usb2.c
+++ b/drivers/net/can/usb/esd_usb2.c
@@ -1143,6 +1143,7 @@ static void esd_usb2_disconnect(struct usb_interface *intf)
}
}
unlink_all_urbs(dev);
+ kfree(dev);
}
}
thanks for pointing this out. Marc, can you please catch this up.

Matthias

Acked-by: Matthias Fuchs <***@esd.eu>
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Marc Kleine-Budde
2014-10-18 16:48:07 UTC
Permalink
Post by Alexey Khoroshilov
It seems struct esd_usb2 dev is not deallocated on disconnect.
The patch adds the deallocation.
Found by Linux Driver Verification project (linuxtesting.org).
Applied to the can tree.

Thanks,
Marc
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