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

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

[Christian Gromm]

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>
---
 drivers/staging/most/aim-cdev/cdev.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/most/aim-cdev/cdev.c b/drivers/staging/most/aim-cdev/cdev.c
index db6f458..1c20ae6 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;
 }
 
-- 
1.9.1

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