X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fv850%2Fkernel%2Fptrace.c;h=bf43ea660432e39653f941b5606b35ab27e1c29f;hb=c7b5ebbddf7bcd3651947760f423e3783bbe6573;hp=7d2554774198dbde0c50724503fc210d45055590;hpb=a2c21200f1c81b08cb55e417b68150bba439b646;p=linux-2.6.git

diff --git a/arch/v850/kernel/ptrace.c b/arch/v850/kernel/ptrace.c
index 7d2554774..bf43ea660 100644
--- a/arch/v850/kernel/ptrace.c
+++ b/arch/v850/kernel/ptrace.c
@@ -149,14 +149,8 @@ int sys_ptrace(long request, long pid, long addr, long data)
 		rval = ptrace_attach(child);
 		goto out_tsk;
 	}
-	rval = -ESRCH;
-	if (!(child->ptrace & PT_PTRACED))
-		goto out_tsk;
-	if (child->state != TASK_STOPPED) {
-		if (request != PTRACE_KILL)
-			goto out_tsk;
-	}
-	if (child->parent != current)
+	ret = ptrace_check_attach(child, request == PTRACE_KILL);
+	if (ret < 0)
 		goto out_tsk;
 
 	switch (request) {
@@ -271,11 +265,8 @@ asmlinkage void syscall_trace(void)
 		return;
 	/* The 0x80 provides a way for the tracing parent to distinguish
 	   between a syscall stop and SIGTRAP delivery */
-	current->exit_code = SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
-					? 0x80 : 0);
-	current->state = TASK_STOPPED;
-	notify_parent(current, SIGCHLD);
-	schedule();
+	ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
+				 ? 0x80 : 0));
 	/*
 	 * this isn't the same as continuing with a signal, but it will do
 	 * for normal use.  strace only continues with a signal if the