[IA64] hpsim: Fix check for overlong simscsi prefix.

When "strlen(s) > MAX_ROOT_LEN", it has already said to use the default
value, but in fact, it still use the input value.

If happens, next sprintf() for 'fname' in simscsi_queuecommand_lck()
may be memory overflow.

Signed-off-by: Chen Gang <gang.chen@asianux.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
index 331de723c676..3a428f19a001 100644
--- a/arch/ia64/hp/sim/simscsi.c
+++ b/arch/ia64/hp/sim/simscsi.c
@@ -88,8 +88,8 @@ simscsi_setup (char *s)
         if (strlen(s) > MAX_ROOT_LEN) {
                 printk(KERN_ERR "simscsi_setup: prefix too long---using default %s\n",
                        simscsi_root);
-        }
-        simscsi_root = s;
+        } else
+                simscsi_root = s;
         return 1;
 }