USB: serial: mos7840: fix NULL-deref at open

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Fix NULL-pointer dereference in open() should the device lack the
expected endpoints:

Unable to handle kernel NULL pointer dereference at virtual address 00000030
...
PC is at mos7840_open+0x88/0x8dc [mos7840]

Note that we continue to treat the interrupt-in endpoint as optional for
now.

Fixes: 3f5429746d ("USB: Moschip 7840 USB-Serial Driver")
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Johan Hovold <johan@kernel.org>

...

This commit is contained in:

Johan Hovold 2017-01-03 16:39:55 +01:00

parent 9da049bced

commit 5c75633ef7

1 changed files with 12 additions and 0 deletions

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drivers/usb/serial/mos7840.c

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