X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=kernel%2Fptrace.c;h=17ee7e5a34516f7485250b7a7ef94546907f9b39;hb=1e6b39fbb61800e3ecee58dc8c4bca57c89365cd;hp=5b8dd98a230e442c1ec46adc968acb60dfdb74ae;hpb=8f0cb147b2fb12427bf6abef7fed2b604557a41e;p=linux-2.6

diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index 5b8dd98a23..17ee7e5a34 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -155,7 +155,7 @@ int ptrace_attach(struct task_struct *task)
 	retval = -EPERM;
 	if (task->pid <= 1)
 		goto bad;
-	if (task == current)
+	if (task->tgid == current->tgid)
 		goto bad;
 	/* the same process cannot be attached many times */
 	if (task->ptrace & PT_PTRACED)
@@ -470,7 +470,7 @@ asmlinkage long sys_ptrace(long request, long pid, long addr, long data)
 
 	if (request == PTRACE_ATTACH) {
 		ret = ptrace_attach(child);
-		goto out;
+		goto out_put_task_struct;
 	}
 
 	ret = ptrace_check_attach(child, request == PTRACE_KILL);