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authorAlan Stern <stern@rowland.harvard.edu>2007-10-19 09:51:58 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-10-25 15:18:44 -0400
commit439a903a9663c0caa8094f3907ca60069d6c36e7 (patch)
treeed6da5090918e824a2376f518a605e78ab0e5758 /lib/rwsem.c
parentb22817b3c81cdb18ffe3d2debfee968731a8b5f4 (diff)
USB: fix interface sysfs file-creation bug
This patch (as1005) fixes a rather subtle problem. When usb_set_configuration() registers the interfaces and their files in sysfs, it doesn't expect those files to exist already. But when an interface is registered, its driver may call usb_set_interface() and thereby cause the sysfs files to be created. The result is an error when usb_set_configuration() goes on to create those same files again. The (not-so-great) solution is to have usb_set_configuration() remove any existing files before creating them. Signed-off-by: Alan Stern <stern@rowland.harvard.edu> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'lib/rwsem.c')
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