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| author | Geert Uytterhoeven <geert+renesas@glider.be> | 2018-02-23 14:38:37 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-02-28 15:30:00 +0100 |
| commit | e7d75e18d0fc3f7193b65282b651f980c778d935 (patch) | |
| tree | 363d5e0c1c3d32bfe23510f2a37d7d4fab28ec86 /drivers/parport/parport_serial.c | |
| parent | 96c611c2b7bc897a6d16d58c76751f48707a4ac5 (diff) | |
| download | lwn-e7d75e18d0fc3f7193b65282b651f980c778d935.tar.gz lwn-e7d75e18d0fc3f7193b65282b651f980c778d935.zip | |
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>
Diffstat (limited to 'drivers/parport/parport_serial.c')
0 files changed, 0 insertions, 0 deletions