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(parent: ab06227) | patch
usb: typec: Make sure an alt mode exist before getting its partner
authorHeikki Krogerus <heikki.krogerus@linux.intel.com>
Wed, 12 Jun 2019 14:15:40 +0000 (17:15 +0300)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 12 Jun 2019 15:13:02 +0000 (17:13 +0200)
commitbda9b5a25952ad9adc2a6437d61adcd14d481b3b
tree527ddbb225b264ec03b33217e0c89b67c4bab33ftree | snapshot
parentab06227a6787ea8cd29970291c1d5cb3ec3c9b06commit | diff
usb: typec: Make sure an alt mode exist before getting its partner

Adding check to typec_altmode_get_partner() to prevent
potential NULL pointer dereference.

Reported-by: Vladimir Yerilov <openmindead@gmail.com>
Fixes: 0bcf5fb2f39f ("usb: typec: ucsi: Preliminary support for alternate modes")
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/typec/bus.c diff | blob | history
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