tree cfefa669da5d81b8edf0794801af3d6270656275
parent 2826c4a0e5acc996fb9ec130fe4b134020c3c6af
author Kyle Swenson <kyle.swenson@est.tech> 1621371945 -0600
committer Kyle Swenson <kyle.swenson@est.tech> 1698355289 -0600
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pse: fix slab-out-of-bounds read of size 1

KASAN reported a slab-out-of-bound read of size 1 when userspace wrote
the port priority to /sys/class/pse/port_priority.  This patch fixes the
out-of-bound read as well makes the interface a little more robust
against invalid input.

Change-Id: I17a35ba1abb4c1e5b8222e6502534554580c0e58