This patch is from David Woodhouse <[EMAIL PROTECTED]>.
We were pretending that every syscall returned zero. Don't do that.
Signed-Off-By: David Woodhouse <[EMAIL PROTECTED]>
Signed-off-by: Paul Mackerras <[EMAIL PROTECTED]>
===== arch/ppc64/kernel/entry.S 1.51 vs edited =====
--- 1.51/arch/ppc64/kernel/entry.S Thu Jan 13 09:48:36 2005
+++ edited/arch/ppc64/kernel/entry.S Thu Jan 20 16:14:50 2005
@@ -231,6 +231,7 @@
syscall_exit_trace:
std r3,GPR3(r1)
bl .save_nvgprs
+ addi r3,r1,STACK_FRAME_OVERHEAD
bl .do_syscall_trace_leave
REST_NVGPRS(r1)
ld r3,GPR3(r1)
@@ -324,6 +325,7 @@
ld r4,TI_FLAGS(r4)
andi. r4,r4,(_TIF_SYSCALL_T_OR_A|_TIF_SINGLESTEP)
beq+ 81f
+ addi r3,r1,STACK_FRAME_OVERHEAD
bl .do_syscall_trace_leave
81: b .ret_from_except
===== arch/ppc64/kernel/ptrace.c 1.13 vs edited =====
--- 1.13/arch/ppc64/kernel/ptrace.c Fri Dec 17 08:09:09 2004
+++ edited/arch/ppc64/kernel/ptrace.c Thu Jan 20 16:24:12 2005
@@ -313,10 +313,10 @@
do_syscall_trace();
}
-void do_syscall_trace_leave(void)
+void do_syscall_trace_leave(struct pt_regs *regs)
{
if (unlikely(current->audit_context))
- audit_syscall_exit(current, 0); /* FIXME: pass pt_regs */
+ audit_syscall_exit(current, regs->result);
if ((test_thread_flag(TIF_SYSCALL_TRACE)
|| test_thread_flag(TIF_SINGLESTEP))
-
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