greybus: hid: fix null-deref on short report requests

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Make sure to verify the length of incoming requests before trying to
parse the request buffer, which can even be NULL on empty requests.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>

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Johan Hovold 2015-03-27 12:45:46 +01:00 • committed by Greg Kroah-Hartman

parent ecf47ab9c5

commit 36257f6b4e

1 changed files with 5 additions and 0 deletions

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drivers/staging/greybus/hid.c

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