[PATCH] USB: gadget: f_mass_storage: get rid of DEVICE_ATTR() usage

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The last holdout in the drivers/usb/* tree using DEVICE_ATTR() is the
f_mass_storage driver, so move it to use DEVICE_ATTR_RW() instead.  The
mode is overridden in the is_visible callback to set it properly
depending on if this is a cdrom or removable device.

Cc: Felipe Balbi <balbi@xxxxxxxxxx>
Cc: Alan Stern <stern@xxxxxxxxxxxxxxxxxxx>
Cc: Maxim Devaev <mdevaev@xxxxxxxxx>
Cc: Wesley Cheng <quic_wcheng@xxxxxxxxxxx>
Cc: Neal Liu <neal_liu@xxxxxxxxxxxxxx>
Cc: Roger Quadros <roger.quadros@xxxxxxxxx>
Cc: Nikita Yushchenko <nikita.yoush@xxxxxxxxxxxxxxxxxx>
Cc: Cai Huoqing <cai.huoqing@xxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/usb/gadget/function/f_mass_storage.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/gadget/function/f_mass_storage.c b/drivers/usb/gadget/function/f_mass_storage.c
index 925e99f9775c..3abf7f586e2a 100644
--- a/drivers/usb/gadget/function/f_mass_storage.c
+++ b/drivers/usb/gadget/function/f_mass_storage.c
@@ -2662,11 +2662,16 @@ static ssize_t forced_eject_store(struct device *dev,
 }
 
 static DEVICE_ATTR_RW(nofua);
-/* mode wil be set in fsg_lun_attr_is_visible() */
-static DEVICE_ATTR(ro, 0, ro_show, ro_store);
-static DEVICE_ATTR(file, 0, file_show, file_store);
 static DEVICE_ATTR_WO(forced_eject);
 
+/*
+ * Mode of the ro and file attribute files will be overridden in
+ * fsg_lun_dev_is_visible() depending on if this is a cdrom, or if it is a
+ * removable device.
+ */
+static DEVICE_ATTR_RW(ro);
+static DEVICE_ATTR_RW(file);
+
 /****************************** FSG COMMON ******************************/
 
 static void fsg_lun_release(struct device *dev)
-- 
2.37.1




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