APPARMOR: Fix memory leak of apparmor_init()
APPARMOR: Fix memory leak of apparmor_init()

set_init_cxt() allocted sizeof(struct aa_task_cxt) bytes for cxt,
if register_security() failed, it will cause memory leak.

Signed-off-by: Zhitong Wang <f1effaa12bb74c5af32f8608a59a19923232dfcb@alibaba-inc.com>
Signed-off-by: John Johansen <28c604219333b0b085913923f8c4c96032f02c12@canonical.com>
Signed-off-by: James Morris <10d11de3abc355eabe955bb734f0f8e71da56e16@namei.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs