diff options
Diffstat (limited to 'arch/ppc64/kernel/entry.S')
| -rw-r--r-- | arch/ppc64/kernel/entry.S | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/ppc64/kernel/entry.S b/arch/ppc64/kernel/entry.S index b61572eb2a7..ae5d563ad93 100644 --- a/arch/ppc64/kernel/entry.S +++ b/arch/ppc64/kernel/entry.S @@ -276,12 +276,20 @@ _GLOBAL(ppc64_rt_sigsuspend) _GLOBAL(ppc32_rt_sigsuspend) bl .save_nvgprs bl .sys32_rt_sigsuspend - /* If sigsuspend() returns zero, we are going into a signal handler */ 70: cmpdi 0,r3,0 - beq .ret_from_except - /* If it returned -EINTR, we need to return via syscall_exit to set + /* If it returned an error, we need to return via syscall_exit to set the SO bit in cr0 and potentially stop for ptrace. */ - b syscall_exit + bne syscall_exit + /* If sigsuspend() returns zero, we are going into a signal handler. We + may need to call audit_syscall_exit() to mark the exit from sigsuspend() */ + ld r3,PACACURRENT(r13) + ld r4,AUDITCONTEXT(r3) + cmpdi 0,r4,0 + beq .ret_from_except /* No audit_context: Leave immediately. */ + li r4, 2 /* AUDITSC_FAILURE */ + li r5,-4 /* It's always -EINTR */ + bl .audit_syscall_exit + b .ret_from_except _GLOBAL(ppc_fork) bl .save_nvgprs |