| commit | e7d75e18d0fc3f7193b65282b651f980c778d935 | [log] [tgz] |
|---|---|---|
| author | Geert Uytterhoeven <geert+renesas@glider.be> | Fri Feb 23 14:38:37 2018 +0100 |
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | Wed Feb 28 15:30:00 2018 +0100 |
| tree | 363d5e0c1c3d32bfe23510f2a37d7d4fab28ec86 | |
| parent | 96c611c2b7bc897a6d16d58c76751f48707a4ac5 [diff] |
serial: xuartps: Fix out-of-bounds access through DT alias
The cdns_uart_port[] array is indexed using a value derived from the
"serialN" alias in DT, which may lead to an out-of-bounds access.
Fix this by adding a range check.
Fixes: 928e9263492069ee ("tty: xuartps: Initialize ports according to aliases")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>