HSI: hsi-char: fix driver for multiport scenarios

Fix return code check of alloc_chrdev_region, which returns 0 on success. Signed-off-by: Sebastian Reichel <[email protected]> Reviewed-by: Pavel Machek <[email protected]>
cluon · May 4, 2014 · 84d93b5 · 84d93b5
1 parent 56459ea
commit 84d93b5
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/drivers/hsi/clients/hsi_char.c b/drivers/hsi/clients/hsi_char.c
@@ -705,7 +705,7 @@ static int hsc_probe(struct device *dev)
 	if (!hsc_major) {
 		ret = alloc_chrdev_region(&hsc_dev, hsc_baseminor,
 						HSC_DEVS, devname);
-		if (ret > 0)
+		if (ret == 0)
 			hsc_major = MAJOR(hsc_dev);
 	} else {
 		hsc_dev = MKDEV(hsc_major, hsc_baseminor);