| commit | dd345a31bfdec350d2593e6de5964e55c7f19c76 | [log] [tgz] |
|---|---|---|
| author | Geert Uytterhoeven <geert+renesas@glider.be> | Fri Feb 23 14:38:32 2018 +0100 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Wed Feb 28 15:29:59 2018 +0100 |
| tree | 339720e05aa58887cd2384ed0ee3df57ae7bdf0d | |
| parent | 5673444821406dda5fc25e4b52aca419f8065a19 [diff] |
serial: mxs-auart: Fix out-of-bounds access through serial port index
The auart_port[] 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: 1ea6607d4cdc9179 ("serial: mxs-auart: Allow device tree probing")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>