---

yaml --- r: 11898 b: refs/heads/master c: 9090e6d h: refs/heads/master v: v3
git-mirror · Oct 31, 2005 · f5c7c44 · f5c7c44
1 parent ad1338b
commit f5c7c44
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Showing 2 changed files with 5 additions and 2 deletions.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 874ec33ff9ccf3651590697a2c2923b911bf31d0
+refs/heads/master: 9090e6db87e3bdb2a2c187ebc0f9175a9f9e5c6f
diff --git a/trunk/drivers/char/hpet.c b/trunk/drivers/char/hpet.c
@@ -364,6 +364,9 @@ static int hpet_ioctl_ieon(struct hpet_dev *devp)
 	hpet = devp->hd_hpet;
 	hpetp = devp->hd_hpets;
 
+	if (!devp->hd_ireqfreq)
+		return -EIO;
+
 	v = readq(&timer->hpet_config);
 	spin_lock_irq(&hpet_lock);
 
@@ -516,7 +519,7 @@ hpet_ioctl_common(struct hpet_dev *devp, int cmd, unsigned long arg, int kernel)
 			break;
 		}
 
-		if (arg & (arg - 1)) {
+		if (!arg || (arg & (arg - 1))) {
 			err = -EINVAL;
 			break;
 		}