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authorAlan Stern <stern@rowland.harvard.edu>2012-01-24 14:35:13 -0500
committerGreg Kroah-Hartman <gregkh@suse.de>2012-01-26 17:04:39 -0800
commited283e9f0a2cc0541870828c76c6c6997c51a318 (patch)
tree60950f46dae4af2cd8648e1c187a198e481904c7 /drivers/pcmcia/ds.c
parentfad12ac8c8c2591c7f4e61d19b6a9d76cd49fafa (diff)
downloadop-kernel-dev-ed283e9f0a2cc0541870828c76c6c6997c51a318.zip
op-kernel-dev-ed283e9f0a2cc0541870828c76c6c6997c51a318.tar.gz
USB/PCI/PCMCIA: Clean up new_id and remove_id sysfs attribute routines
This patch (as1514) cleans up some places where new_id and remove_id sysfs attributes are created and deleted. Handling both attributes in a single routine rather than a pair of routines makes the code smaller. It also prevents certain kinds of errors, like one we currently have in the USB subsystem: The removeid attribute is often created even when newid isn't (because the driver's no_dynamid_id flag is set). In the case of the PCMCIA subsystem, the newid attribute is created but never explicitly deleted. The patch adds a deletion routine. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Acked-by: Jesse Barnes <jbarnes@virtuousgeek.org> Acked-by: Dominik Brodowski <linux@dominikbrodowski.net> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/pcmcia/ds.c')
-rw-r--r--drivers/pcmcia/ds.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 059699f..249b889 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -157,6 +157,11 @@ pcmcia_create_newid_file(struct pcmcia_driver *drv)
return error;
}
+static void
+pcmcia_remove_newid_file(struct pcmcia_driver *drv)
+{
+ driver_remove_file(&drv->drv, &driver_attr_new_id);
+}
/**
* pcmcia_register_driver - register a PCMCIA driver with the bus core
@@ -201,6 +206,7 @@ EXPORT_SYMBOL(pcmcia_register_driver);
void pcmcia_unregister_driver(struct pcmcia_driver *driver)
{
pr_debug("unregistering driver %s\n", driver->name);
+ pcmcia_remove_newid_file(driver);
driver_unregister(&driver->drv);
pcmcia_free_dynids(driver);
}
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