| commit | afc7851fab8329eddcf321c9e0a58c893f351dd6 | [log] [tgz] |
|---|---|---|
| author | Geert Uytterhoeven <geert+renesas@glider.be> | Fri Feb 23 14:38:33 2018 +0100 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Wed Feb 28 15:29:59 2018 +0100 |
| tree | 6a128949e569fc4947c53bc54ec2015c1de8c838 | |
| parent | dd345a31bfdec350d2593e6de5964e55c7f19c76 [diff] |
serial: pxa: Fix out-of-bounds access through serial port index
The serial_pxa_ports[] array is indexed using a value derived from the
"serialN" alias in DT, or from platform data, which may lead to an
out-of-bounds access.
Fix this by adding a range check.
Fixes: 699c20f3e6310aa2 ("serial: pxa: add OF support")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>