1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/video/aty/radeon_monitor.c b/drivers/video/aty/radeon_monitor.c
index 7f9838dceab5..98c05bc0de44 100644
--- a/drivers/video/aty/radeon_monitor.c
+++ b/drivers/video/aty/radeon_monitor.c
@@ -396,6 +396,10 @@ static int __devinit radeon_parse_monitor_layout(struct radeonfb_info *rinfo,
                                 s1[i] = *s;
                         i++;
                 }
+
+                if (i > 4)
+                        i = 4;
+
         } while (*s++);
         if (second)
                 s2[i] = 0;