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(parent: 7990442) | patch
serial: sh-sci: Fix TX buffer mapping leak
authorGeert Uytterhoeven <geert+renesas@glider.be>
Fri, 21 Aug 2015 18:02:43 +0000 (20:02 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Sun, 4 Oct 2015 16:33:48 +0000 (17:33 +0100)
commit2e301474f15f00b3f2ccde85f6f19b17ec7ee70d
tree829a4232aeea734e5b93f5df0c1dc003e8060d72tree | snapshot (tar.gz zip)
parent79904420b7be91d6aa84cbfa293f17545d9d5c49commit | diff
serial: sh-sci: Fix TX buffer mapping leak

The mapped transmit buffer is never unmapped. This leaks quite some
mappings, as the mapping is done in uart_ops.startup(), i.e. every time
the device is opened. Unmap the buffer on device close.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/sh-sci.c diff | blob | blame | history