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Driver core fixes for 3.10-rc2 

Here are 3 tiny driver core fixes for 3.10-rc2.
 
 A needed symbol export, a change to make it easier to track down
 offending sysfs files with incorrect attributes, and a klist bugfix.
 
 All have been in linux-next for a while.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core

Pull driver core fixes from Greg Kroah-Hartman:
 "Here are 3 tiny driver core fixes for 3.10-rc2.

  A needed symbol export, a change to make it easier to track down
  offending sysfs files with incorrect attributes, and a klist bugfix.

  All have been in linux-next for a while"

* tag 'driver-core-3.10-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
  klist: del waiter from klist_remove_waiters before wakeup waitting process
  driver core: print sysfs attribute name when warning about bogus permissions
  driver core: export subsys_virtual_register
This commit is contained in:
Linus Torvalds 2013-05-23 09:27:08 -07:00
parent 5cc0c03823 ac5a2962b0
commit c7153d0643
3 changed files with 6 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
drivers/base/bus.c
View File

@ -1295,6 +1295,7 @@ int subsys_virtual_register(struct bus_type *subsys,
return subsys_register(subsys, groups, virtual_dir);
}
EXPORT_SYMBOL_GPL(subsys_virtual_register);
int __init buses_init(void)
{

6
drivers/base/core.c
View File

@ -572,9 +572,11 @@ int device_create_file(struct device *dev,
if (dev) {
WARN(((attr->attr.mode & S_IWUGO) && !attr->store),
"Write permission without 'store'\n");
"Attribute %s: write permission without 'store'\n",
attr->attr.name);
WARN(((attr->attr.mode & S_IRUGO) && !attr->show),
"Read permission without 'show'\n");
"Attribute %s: read permission without 'show'\n",
attr->attr.name);
error = sysfs_create_file(&dev->kobj, &attr->attr);
}

2
lib/klist.c
View File

@ -193,10 +193,10 @@ static void klist_release(struct kref *kref)
if (waiter->node != n)
continue;
list_del(&waiter->list);
waiter->woken = 1;
mb();
wake_up_process(waiter->process);
list_del(&waiter->list);
}
spin_unlock(&klist_remove_lock);
knode_set_klist(n, NULL);