2 files changed, 5 insertions, 6 deletions

diff --git a/arch/sparc64/solaris/misc.c b/arch/sparc64/solaris/misc.c
index 9ed997982f8d..e84241d5f7f4 100644
--- a/arch/sparc64/solaris/misc.c
+++ b/arch/sparc64/solaris/misc.c
@@ -423,9 +423,7 @@ asmlinkage int solaris_procids(int cmd, s32 pid, s32 pgid)
                            Solaris setpgrp and setsid? */
                         ret = sys_setpgid(0, 0);
                         if (ret) return ret;
-                        mutex_lock(&tty_mutex);
-                        current->signal->tty = NULL;
-                        mutex_unlock(&tty_mutex);
+                        proc_clear_tty(current);
                         return process_group(current);
                 }
         case 2: /* getsid */
diff --git a/arch/um/kernel/exec.c b/arch/um/kernel/exec.c
index 0561c43b4685..8d56ec6cca79 100644
--- a/arch/um/kernel/exec.c
+++ b/arch/um/kernel/exec.c
@@ -39,12 +39,13 @@ static long execve1(char *file, char __user * __user *argv,
                     char __user *__user *env)
 {
         long error;
+        struct tty_struct *tty;
 
 #ifdef CONFIG_TTY_LOG
         mutex_lock(&tty_mutex);
-        task_lock(current);     /* FIXME:  is this needed ? */
-        log_exec(argv, current->signal->tty);
-        task_unlock(current);
+        tty = get_current_tty();
+        if (tty)
+                log_exec(argv, tty);
         mutex_unlock(&tty_mutex);
 #endif
         error = do_execve(file, argv, env, &current->thread.regs);