diff options
| -rw-r--r-- | drivers/usb/wusbcore/wa-xfer.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c index 956aab51cbda..86dd3b65692f 100644 --- a/drivers/usb/wusbcore/wa-xfer.c +++ b/drivers/usb/wusbcore/wa-xfer.c @@ -125,10 +125,13 @@ struct wa_seg { u8 xfer_extra[]; /* xtra space for xfer_hdr_ctl */ }; -static void wa_seg_init(struct wa_seg *seg) +static inline void wa_seg_init(struct wa_seg *seg) { - /* usb_init_urb() repeats a lot of work, so we do it here */ - kref_init(&seg->urb.kref); + usb_init_urb(&seg->urb); + + /* set the remaining memory to 0. */ + memset(((void *)seg) + sizeof(seg->urb), 0, + sizeof(*seg) - sizeof(seg->urb)); } /* @@ -731,9 +734,9 @@ static int __wa_xfer_setup_segs(struct wa_xfer *xfer, size_t xfer_hdr_size) buf_itr = 0; buf_size = xfer->urb->transfer_buffer_length; for (cnt = 0; cnt < xfer->segs; cnt++) { - seg = xfer->seg[cnt] = kzalloc(alloc_size, GFP_ATOMIC); + seg = xfer->seg[cnt] = kmalloc(alloc_size, GFP_ATOMIC); if (seg == NULL) - goto error_seg_kzalloc; + goto error_seg_kmalloc; wa_seg_init(seg); seg->xfer = xfer; seg->index = cnt; @@ -807,7 +810,7 @@ error_sg_alloc: error_dto_alloc: kfree(xfer->seg[cnt]); cnt--; -error_seg_kzalloc: +error_seg_kmalloc: /* use the fact that cnt is left at were it failed */ for (; cnt >= 0; cnt--) { if (xfer->seg[cnt] && xfer->is_inbound == 0) { |