ath9k_htc: fix NULL-deref at probe

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commit ebeb36670e upstream.

Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer or accessing memory beyond the endpoint array should a
malicious device lack the expected endpoints.

Fixes: 36bcce4306 ("ath9k_htc: Handle storage devices")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

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Johan Hovold 2017-03-13 13:44:20 +01:00 • committed by Ben Hutchings

parent 937bb9e711

commit f11af14aee

1 changed files with 3 additions and 0 deletions

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drivers/net/wireless/ath/ath9k/hif_usb.c

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