From: Christian Gromm <christian.gromm@microchip.com>
Date: Mon, 22 Aug 2016 14:46:24 +0000 (+0200)
Subject: staging: most: aim-cdev: destroy ida struct in case of exception
X-Git-Tag: v4.9-rc1~119^2~899
X-Git-Url: http://git.cascardo.eti.br/?a=commitdiff_plain;h=1d9e3a07cb80ca7c8f4efcfcc6c4ca10790d9645;p=cascardo%2Flinux.git

staging: most: aim-cdev: destroy ida struct in case of exception

This patch is needed to clean up the initialized ida structure in case
the function exits with an exception.

Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/drivers/staging/most/aim-cdev/cdev.c b/drivers/staging/most/aim-cdev/cdev.c
index db6f4586bcaf..1c20ae69c561 100644
--- a/drivers/staging/most/aim-cdev/cdev.c
+++ b/drivers/staging/most/aim-cdev/cdev.c
@@ -509,7 +509,7 @@ static int __init mod_init(void)
 
 	err = alloc_chrdev_region(&aim_devno, 0, 50, "cdev");
 	if (err < 0)
-		return err;
+		goto dest_ida;
 	major = MAJOR(aim_devno);
 
 	aim_class = class_create(THIS_MODULE, "most_cdev_aim");
@@ -527,6 +527,8 @@ dest_class:
 	class_destroy(aim_class);
 free_cdev:
 	unregister_chrdev_region(aim_devno, 1);
+dest_ida:
+	ida_destroy(&minor_id);
 	return err;
 }