[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>
diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
index 331de72..3a428f1 100644
--- a/arch/ia64/hp/sim/simscsi.c
+++ b/arch/ia64/hp/sim/simscsi.c
@@ -88,8 +88,8 @@
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;
}