1 files changed, 1 insertions, 3 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 */