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

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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>
This commit is contained in:
Christian Gromm 2016-08-22 16:46:24 +02:00 committed by Greg Kroah-Hartman
parent 88b090e3c0
commit 1d9e3a07cb
1 changed files with 3 additions and 1 deletions
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4
drivers/staging/most/aim-cdev/cdev.c
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@ -509,7 +509,7 @@ static int __init mod_init(void)
err = alloc_chrdev_region(&aim_devno, 0, 50, "cdev"); err = alloc_chrdev_region(&aim_devno, 0, 50, "cdev");
if (err < 0) if (err < 0)
return err; goto dest_ida;
major = MAJOR(aim_devno); major = MAJOR(aim_devno);
aim_class = class_create(THIS_MODULE, "most_cdev_aim"); aim_class = class_create(THIS_MODULE, "most_cdev_aim");
@ -527,6 +527,8 @@ dest_class:
class_destroy(aim_class); class_destroy(aim_class);
free_cdev: free_cdev:
unregister_chrdev_region(aim_devno, 1); unregister_chrdev_region(aim_devno, 1);
dest_ida:
ida_destroy(&minor_id);
return err; return err;
} }