staging:ccg: fix a class_destroy when kmalloc fails after the class_create

we do class_create and call kmalloc to allocate dev pointer,
and if kmalloc fail we forget destoying class

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/ccg/ccg.c b/drivers/staging/ccg/ccg.c
index 81ac6bbba55f5a8ce892499ae2b5bbcd9e4ffdaf..565249b2d7551305c73d2b374dbceb07e043d20a 100644 (file)
--- a/drivers/staging/ccg/ccg.c
+++ b/drivers/staging/ccg/ccg.c
@@ -1254,8 +1254,10 @@ static int __init init(void)
                return PTR_ERR(ccg_class);
 
        dev = kzalloc(sizeof(*dev), GFP_KERNEL);
-       if (!dev)
+       if (!dev) {
+               class_destroy(ccg_class);
                return -ENOMEM;
+       }
 
        dev->functions = supported_functions;
        INIT_LIST_HEAD(&dev->enabled_functions);