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greybus: module: free resources properly on failures

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Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
This commit is contained in:
Viresh Kumar 2014-11-13 18:14:37 +05:30 • committed by Greg Kroah-Hartman
commit 0a68a16b91
1 changed files with 5 additions and 4 deletions
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9
drivers/staging/greybus/module.c
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@ -85,10 +85,6 @@ struct gb_module *gb_module_create(struct greybus_host_device *hd, u8 module_id)
gmod->module_id = module_id;
INIT_LIST_HEAD(&gmod->interfaces);
spin_lock_irq(&gb_modules_lock);
list_add_tail(&gmod->links, &hd->modules);
spin_unlock_irq(&gb_modules_lock);
gmod->dev.parent = hd->parent;
gmod->dev.bus = &greybus_bus_type;
gmod->dev.type = &greybus_module_type;
@ -102,9 +98,14 @@ struct gb_module *gb_module_create(struct greybus_host_device *hd, u8 module_id)
pr_err("failed to add module device for id 0x%02hhx\n",
module_id);
put_device(&gmod->dev);
kfree(gmod);
return NULL;
}
spin_lock_irq(&gb_modules_lock);
list_add_tail(&gmod->links, &hd->modules);
spin_unlock_irq(&gb_modules_lock);
return gmod;
}