diff options
| -rw-r--r-- | drivers/usb/wusbcore/wa-xfer.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c index 090ac30..ed5abe8 100644 --- a/drivers/usb/wusbcore/wa-xfer.c +++ b/drivers/usb/wusbcore/wa-xfer.c @@ -91,7 +91,8 @@ #include "wusbhc.h" enum { - WA_SEGS_MAX = 255, + /* [WUSB] section 8.3.3 allocates 7 bits for the segment index. */ + WA_SEGS_MAX = 128, }; enum wa_seg_status { @@ -588,7 +589,7 @@ static ssize_t __wa_xfer_setup_sizes(struct wa_xfer *xfer, xfer->segs = 1; } - if (xfer->segs >= WA_SEGS_MAX) { + if (xfer->segs > WA_SEGS_MAX) { dev_err(dev, "BUG? oops, number of segments %zu bigger than %d\n", (urb->transfer_buffer_length/xfer->seg_size), WA_SEGS_MAX); |
