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 db6f458..1c20ae6 100644
--- a/drivers/staging/most/aim-cdev/cdev.c
+++ b/drivers/staging/most/aim-cdev/cdev.c
@@ -509,7 +509,7 @@
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 @@
class_destroy(aim_class);
free_cdev:
unregister_chrdev_region(aim_devno, 1);
+dest_ida:
+ ida_destroy(&minor_id);
return err;
}