diff options
| author | Rui Miguel Silva <[email protected]> | 2021-08-27 14:11:51 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <[email protected]> | 2021-08-27 16:11:38 +0200 |
| commit | cbfa3effdf5c2d411c9ce9820f3d33d77bc4697d (patch) | |
| tree | 45713bd52fec7df31b311d4d05838d25f0fb8e53 | |
| parent | f757f9291f920e1da4c6cfd4064c6bf59639983e (diff) | |
usb: isp1760: fix qtd fill length
When trying to send bulks bigger than the biggest block size
we need to split them over several qtd. Fix this limiting the
maximum qtd size to largest block size.
Reported-by: Dietmar Eggemann <[email protected]>
Tested-by: Dietmar Eggemann <[email protected]>
Signed-off-by: Rui Miguel Silva <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>
| -rw-r--r-- | drivers/usb/isp1760/isp1760-hcd.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/usb/isp1760/isp1760-hcd.c b/drivers/usb/isp1760/isp1760-hcd.c index b3a55c5d2155..fba21122bb00 100644 --- a/drivers/usb/isp1760/isp1760-hcd.c +++ b/drivers/usb/isp1760/isp1760-hcd.c @@ -1829,9 +1829,11 @@ static void packetize_urb(struct usb_hcd *hcd, goto cleanup; if (len > mem->blocks_size[ISP176x_BLOCK_NUM - 1]) - len = mem->blocks_size[ISP176x_BLOCK_NUM - 1]; + this_qtd_len = mem->blocks_size[ISP176x_BLOCK_NUM - 1]; + else + this_qtd_len = len; - this_qtd_len = qtd_fill(qtd, buf, len); + this_qtd_len = qtd_fill(qtd, buf, this_qtd_len); list_add_tail(&qtd->qtd_list, head); len -= this_qtd_len; |