uwb: hwa-rc: fix NULL-deref at probe

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commit daf229b159 upstream.

Make sure to check the number of endpoints to avoid dereferencing a
NULL-pointer should a malicious device lack endpoints.

Note that the dereference happens in the start callback which is called
during probe.

Fixes: de520b8bd5 ("uwb: add HWA radio controller driver")
Cc: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Cc: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Johan Hovold 2017-03-13 13:47:52 +01:00 • committed by Greg Kroah-Hartman

parent f01c54fe0a

commit 2e7486a05b

1 changed files with 3 additions and 0 deletions

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drivers/uwb/hwa-rc.c

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