we shouldn't assume that value because on SuperSpeed, we have
1024 as wMaxPacketSize.
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
this was tested with dummy_hcd and a bunch of dd if of
transfers with different sizes.
drivers/usb/gadget/file_storage.c | 3 ++-
1 files changed, 2 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/gadget/file_storage.c b/drivers/usb/gadget/file_storage.c
index a6eacb5..b3c9f29 100644
--- a/drivers/usb/gadget/file_storage.c
+++ b/drivers/usb/gadget/file_storage.c
@@ -1249,6 +1249,7 @@ static int do_read(struct fsg_dev *fsg)
static int do_write(struct fsg_dev *fsg)
{
+ struct usb_ep *ep = fsg->bulk_out;
struct fsg_lun *curlun = fsg->curlun;
u32 lba;
struct fsg_buffhd *bh;
@@ -1331,7 +1332,7 @@ static int do_write(struct fsg_dev *fsg)
curlun->info_valid = 1;
continue;
}
- amount -= (amount & 511);
+ amount -= (amount & (ep->maxpacket - 1));
if (amount == 0) {
/* Why were we were asked to transfer a
--
1.7.4.1.343.ga91df
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