Comment 13 for bug 1032714

observed on Samsung origen Linaro android jb 4.2.1 release build 12.12

https://android-build.linaro.org/builds/~linaro-android/origen-jb-gcc47-samsunglt-tracking-blob-12.12-release/

BT cannot be enable from settings. when trying to enable BT, the log message is getting on console
log details:
root@android:/ #
root@android:/ # [ 4306.835000] ------------[ cut here ]------------
[ 4306.835000] WARNING: at /mnt/jenkins/workspace/linaro-android_origen-jb-gcc47-samsunglt-tracking-blob-12.12-release/build/kernel/mm/vmalloc.
c:1487 ath6kl_core_cleanup+0x7c/0xa0 [ath6kl]()
[ 4306.855000] Trying to vfree() nonexistent vm area (cc320000)
[ 4306.860000] Modules linked in: ath6kl(-) gator
[ 4306.865000] [<c00155ac>] (unwind_backtrace+0x0/0xf8) from [<c00249f0>] (warn_slowpath_common+0x4c/0x64)
[ 4306.875000] [<c00249f0>] (warn_slowpath_common+0x4c/0x64) from [<c0024a9c>] (warn_slowpath_fmt+0x30/0x40)
[ 4306.885000] [<c0024a9c>] (warn_slowpath_fmt+0x30/0x40) from [<bf02b6c8>] (ath6kl_core_cleanup+0x7c/0xa0 [ath6kl])
[ 4306.895000] [<bf02b6c8>] (ath6kl_core_cleanup+0x7c/0xa0 [ath6kl]) from [<bf02bd44>] (ath6kl_sdio_remove+0x2c/0x48 [ath6kl])
[ 4306.905000] [<bf02bd44>] (ath6kl_sdio_remove+0x2c/0x48 [ath6kl]) from [<c02c3d68>] (sdio_bus_remove+0x30/0xf8)
[ 4306.915000] [<c02c3d68>] (sdio_bus_remove+0x30/0xf8) from [<c028b93c>] (__device_release_driver+0x70/0xc8)
[ 4306.925000] [<c028b93c>] (__device_release_driver+0x70/0xc8) from [<c028c0f4>] (driver_detach+0xac/0xb0)
[ 4306.935000] [<c028c0f4>] (driver_detach+0xac/0xb0) from [<c028b76c>] (bus_remove_driver+0x7c/0xc0)
[ 4306.940000] [<c028b76c>] (bus_remove_driver+0x7c/0xc0) from [<bf02d4e8>] (ath6kl_sdio_exit+0xc/0x2c [ath6kl])
[ 4306.950000] [<bf02d4e8>] (ath6kl_sdio_exit+0xc/0x2c [ath6kl]) from [<c00749e4>] (sys_delete_module+0x11c/0x204)
[ 4306.960000] [<c00749e4>] (sys_delete_module+0x11c/0x204) from [<c000e300>] (ret_fast_syscall+0x0/0x30)
[ 4306.970000] ---[ end trace d3afb690bd69a301 ]---
[ 4307.315000] mmc2: card 0001 removed