This change fixes below wrong warning messages:
[ 173.473153] xhci-hcd xhci-hcd.0.auto: WARN Wrong bounce buffer write length: 1024 != 990
[ 173.530633] xhci-hcd xhci-hcd.0.auto: WARN Wrong bounce buffer write length: 490 != 1014
[ 173.541598] xhci-hcd xhci-hcd.0.auto: WARN Wrong bounce buffer write length: 490 != 1024
[ 173.619507] xhci-hcd xhci-hcd.0.auto: WARN Wrong bounce buffer write length: 1024 != 490
[ 173.631982] xhci-hcd xhci-hcd.0.auto: WARN Wrong bounce buffer write length: 1024 != 490
[ 173.654629] xhci-hcd xhci-hcd.0.auto: WARN Wrong bounce buffer write length: 108 != 1024
[ 173.750209] xhci-hcd xhci-hcd.0.auto: WARN Wrong bounce buffer write length: 1024 != 108
Signed-off-by: Henry Lin <henryl@xxxxxxxxxx>
---
drivers/usb/host/xhci-ring.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 121782e..aa7231f 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3177,10 +3177,10 @@ static int xhci_align_td(struct xhci_hcd *xhci, struct urb *urb, u32 enqd_len,
if (usb_urb_dir_out(urb)) {
len = sg_pcopy_to_buffer(urb->sg, urb->num_sgs,
seg->bounce_buf, new_buff_len, enqd_len);
- if (len != seg->bounce_len)
+ if (len != new_buff_len)
xhci_warn(xhci,
"WARN Wrong bounce buffer write length: %zu != %d\n",
- len, seg->bounce_len);
+ len, new_buff_len);
seg->bounce_dma = dma_map_single(dev, seg->bounce_buf,
max_pkt, DMA_TO_DEVICE);
} else {
--
2.7.4
