commit a1f8f5e26fa59b84e333c0bd0e26cf101ba7d33a
author Jim Lin <jilin@nvidia.com> Fri May 13 20:32:16 2016 +0800
committer Farid Zare Seisan <faridzs@google.com> Wed Apr 04 21:07:50 2018 +0000
tree 4cf9e24be8403a8faeaa0b49a6d937266a6478d6
parent f5df27f595f973075309bc1a1070a4f3fba9deed

UPSTREAM: usb: gadget: f_fs: Fix kernel panic if use_os_string not set

If c->cdev->use_os_string flag is not set,
don't need to invoke ffs_do_os_descs() in _ffs_func_bind.
So uninitialized ext_compat_id pointer won't be accessed by
__ffs_func_bind_do_os_desc to cause kernel panic.

Bug: 36653937
Bug: 77585730
Test: No crash when enabling adb debugging.
Signed-off-by: Jim Lin <jilin@nvidia.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Badhri Jagan Sridharan <Badhri@google.com>
Change-Id: I385e4b8a8a80102c972c1f9eabf8d8379bc30b44