From: Sebastian Reichel <sre@kernel.org>
Date: Fri, 20 Sep 2013 20:42:22 +0000 (+0200)
Subject: HSI: hsi-char: fix driver for multiport scenarios
X-Git-Tag: v3.16-rc1~8^2~10
X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=commitdiff_plain;h=84d93b5e605324679cffb6d28c7339dd18165fd4;p=linux.git

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 <sre@kernel.org>
Reviewed-by: Pavel Machek <pavel@ucw.cz>
---

diff --git a/drivers/hsi/clients/hsi_char.c b/drivers/hsi/clients/hsi_char.c
index e61e5f991aa5..30733209fde2 100644
--- 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);