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(parent: b2aa551) | patch
USB: serial: kobil_sct: fix NULL-deref in write
authorJohan Hovold <johan@kernel.org>
Tue, 3 Jan 2017 15:39:49 +0000 (16:39 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 12 Jan 2017 10:39:15 +0000 (11:39 +0100)
commit9de856caff86c18f092a03a16f06f1422796be94
tree5f7b43fab82bfef797ae467ed7268ff89a0eba74tree
parentb2aa55142ea5cff7217f2633e85602d2279ff92ecommit | diff
USB: serial: kobil_sct: fix NULL-deref in write

commit 21ce57840243c7b70fbc1ebd3dceeb70bb6e9e09 upstream.

Fix NULL-pointer dereference in write() should the device lack the
expected interrupt-out endpoint:

Unable to handle kernel NULL pointer dereference at virtual address 00000054
...
PC is at kobil_write+0x144/0x2a0 [kobil_sct]

Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/serial/kobil_sct.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git