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USB: gadget: f_mass_storage: use static attribute groups for sysfs entries
authorTakashi Iwai <tiwai@suse.de>
Thu, 5 Feb 2015 13:36:25 +0000 (14:36 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 18 Mar 2015 15:56:40 +0000 (16:56 +0100)
commitc7b364f7dd82e8610373b8c6d788db867d7e99db
tree999efbb33221c8be8d8b691cf24512c04c177cc4tree | snapshot (tar.gz zip)
parentc60b89aa3640ac4eb279213d93828a8100acb6b5commit | diff
USB: gadget: f_mass_storage: use static attribute groups for sysfs entries

Instead of manual device_create_file() and device_remove_file() calls,
assign the static attribute groups to the lun device to register.
The RO or RW permissions for some entries are decided in is_visible
callback.  This simplifies the code (also the logic) and avoids the
possible races, too.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/gadget/function/f_mass_storage.c diff | blob | blame | history