[PATCH] signal error return fix

diff --git a/kernel/sys.c b/kernel/sys.c
index dffb67035c78d2a29bdabc7121ae6ce0ef568537..afa6d2fc1372eaeea67965f71dcb6c9ab02ff84a 100644 (file)
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -907,6 +907,7 @@ asmlinkage long sys_setpgid(pid_t pid, pid_t pgid)
        p = find_task_by_pid(pid);
        if (!p)
                goto out;
+
        err = -EINVAL;
        if (!thread_group_leader(p))
                goto out;
@@ -918,11 +919,16 @@ asmlinkage long sys_setpgid(pid_t pid, pid_t pgid)
                err = -EACCES;
                if (p->did_exec)
                        goto out;
-       } else if (p != current)
-               goto out;
+       } else {
+               err = -ESRCH;
+               if (p != current)
+                       goto out;
+       }
+
        err = -EPERM;
        if (p->leader)
                goto out;
+
        if (pgid != pid) {
                struct task_struct *p;
                struct pid *pid;