USB: serial: io_ti: fix NULL-deref in interrupt callback

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commit 0b1d250afb upstream.

Fix a NULL-pointer dereference in the interrupt callback should a
malicious device send data containing a bad port number by adding the
missing sanity check.

Fixes: 1da177e4c3 ("Linux-2.6.12-rc2")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

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Johan Hovold 2017-03-06 17:36:37 +01:00 • committed by Ben Hutchings

parent 71071ed7c1

commit 794bbd7560

1 changed files with 6 additions and 0 deletions

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drivers/usb/serial/io_ti.c

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