USB: gadget: f_mass_storage: use static attribute groups for sysfs entries

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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>

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Takashi Iwai 2015-02-05 14:36:25 +01:00 • committed by Greg Kroah-Hartman

parent c60b89aa36

commit c7b364f7dd

1 changed files with 33 additions and 74 deletions

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drivers/usb/gadget/function/f_mass_storage.c

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