X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=drivers%2Fchar%2Frio%2Frioctrl.c;h=7ce77619707cf2f4fa1db2480d1acaebaf968ca9;hb=97bf2856c6014879bd04983a3e9dfcdac1e7fe85;hp=052e8120a4713ccc2008e8f2f88988bc1adb0985;hpb=16c70f8c1b54b61c3b951b6fb220df250fe09b32;p=linux-2.6.git

diff --git a/drivers/char/rio/rioctrl.c b/drivers/char/rio/rioctrl.c
index 052e8120a..7ce776197 100644
--- a/drivers/char/rio/rioctrl.c
+++ b/drivers/char/rio/rioctrl.c
@@ -662,7 +662,7 @@ int riocontrol(struct rio_info *p, dev_t dev, int cmd, unsigned long arg, int su
 			p->RIOError.Error = COPYIN_FAILED;
 			return -EFAULT;
 		}
-		if (portStats.port >= RIO_PORTS) {
+		if (portStats.port < 0 || portStats.port >= RIO_PORTS) {
 			p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 			return -ENXIO;
 		}
@@ -702,7 +702,7 @@ int riocontrol(struct rio_info *p, dev_t dev, int cmd, unsigned long arg, int su
 			p->RIOError.Error = COPYIN_FAILED;
 			return -EFAULT;
 		}
-		if (portStats.port >= RIO_PORTS) {
+		if (portStats.port < 0 || portStats.port >= RIO_PORTS) {
 			p->RIOError.Error = PORT_NUMBER_OUT_OF_RANGE;
 			return -ENXIO;
 		}