Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee13...

[sfrench/cifs-2.6.git] / arch / sparc64 / solaris / misc.c

diff --git a/arch/sparc64/solaris/misc.c b/arch/sparc64/solaris/misc.c
index 642541769a179970c077dba52e23c2d1d90984a3..9c581328e76a191e3b4aa4903840276db2c3aab2 100644 (file)
--- a/arch/sparc64/solaris/misc.c
+++ b/arch/sparc64/solaris/misc.c
@@ -11,6 +11,7 @@
 #include <linux/limits.h>
 #include <linux/mm.h>
 #include <linux/smp.h>
+#include <linux/tty.h>
 #include <linux/mman.h>
 #include <linux/file.h>
 #include <linux/timex.h>
@@ -422,7 +423,9 @@ 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);
                        return process_group(current);
                }
        case 2: /* getsid */