Geert Uytterhoeven 96c611c2b7 serial: sirf: Fix out-of-bounds access through DT alias ...

The sirf_ports[] 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: a6ffe8966a ("serial: sirf: use dynamic method allocate uart structure")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2018-02-28 15:30:00 +01:00

47 KiB

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