diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index f45732a2cb3e06d4830fd27b1f926a0b8ef2d0ca..01fbffb3168e8cd5e089837c71430e2bf528d701 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -84,7 +84,7 @@ static int panic_op_write_handler(const char *val,
 	char valcp[16];
 	char *s;
 
-	strncpy(valcp, val, 16);
+	strncpy(valcp, val, 15);
 	valcp[15] = '\0';
 
 	s = strstrip(valcp);
diff --git a/drivers/char/ipmi/ipmi_watchdog.c b/drivers/char/ipmi/ipmi_watchdog.c
index 09e8463e480f4b3e8f0cb4d38e2d658e7234d945..775887977cbcf70536ee0beeb01fe2dc7c99b39b 100644
--- a/drivers/char/ipmi/ipmi_watchdog.c
+++ b/drivers/char/ipmi/ipmi_watchdog.c
@@ -232,7 +232,7 @@ static int set_param_str(const char *val, const struct kernel_param *kp)
 	char       valcp[16];
 	char       *s;
 
-	strncpy(valcp, val, 16);
+	strncpy(valcp, val, 15);
 	valcp[15] = '\0';
 
 	s = strstrip(valcp);