When calling unregister_node(), the function shows following message at device_release().
Device 'node2' does not have a release() function, it is broken and must be fixed. So the patch implements node_device_release() CC: David Rientjes <[email protected]> CC: Jiang Liu <[email protected]> CC: Len Brown <[email protected]> CC: Benjamin Herrenschmidt <[email protected]> CC: Paul Mackerras <[email protected]> CC: Christoph Lameter <[email protected]> Cc: Minchan Kim <[email protected]> CC: Andrew Morton <[email protected]> CC: KOSAKI Motohiro <[email protected]> CC: Wen Congyang <[email protected]> Signed-off-by: Yasuaki Ishimatsu <[email protected]> --- drivers/base/node.c | 7 +++++++ 1 file changed, 7 insertions(+) Index: linux-3.5-rc6/drivers/base/node.c =================================================================== --- linux-3.5-rc6.orig/drivers/base/node.c 2012-07-18 18:24:29.191121066 +0900 +++ linux-3.5-rc6/drivers/base/node.c 2012-07-18 18:25:47.111146983 +0900 @@ -252,6 +252,12 @@ static inline void hugetlb_register_node static inline void hugetlb_unregister_node(struct node *node) {} #endif +static void node_device_release(struct device *dev) +{ + struct node *node_dev = to_node(dev); + + memset(node_dev, 0, sizeof(struct node)); +} /* * register_node - Setup a sysfs device for a node. @@ -265,6 +271,7 @@ int register_node(struct node *node, int node->dev.id = num; node->dev.bus = &node_subsys; + node->dev.release = node_device_release; error = device_register(&node->dev); if (!error){ -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
