Date: Sun, 30 Apr 2023 06:58:05 GMT From: Hans Petter Selasky <hselasky@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org Subject: git: fa65f958847d - stable/13 - Make sure the uftdi(4) driver doesn't start a USB transfer when being cancelled. Message-ID: <202304300658.33U6w5Fh071764@gitrepo.freebsd.org>
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The branch stable/13 has been updated by hselasky: URL: https://cgit.FreeBSD.org/src/commit/?id=fa65f958847ddb89639b6502286607c774015dea commit fa65f958847ddb89639b6502286607c774015dea Author: Hans Petter Selasky <hselasky@FreeBSD.org> AuthorDate: 2021-08-18 09:41:49 +0000 Commit: Hans Petter Selasky <hselasky@FreeBSD.org> CommitDate: 2023-04-30 06:56:18 +0000 Make sure the uftdi(4) driver doesn't start a USB transfer when being cancelled. Sponsored by: NVIDIA Networking (cherry picked from commit 8a46f021c2408c82375a1f5127efb7ac6b78596e) --- sys/dev/usb/serial/uftdi.c | 14 ++++++++------ 1 file changed, 8 insertions(+), 6 deletions(-) diff --git a/sys/dev/usb/serial/uftdi.c b/sys/dev/usb/serial/uftdi.c index d57a2c5dbc45..5118a3affb84 100644 --- a/sys/dev/usb/serial/uftdi.c +++ b/sys/dev/usb/serial/uftdi.c @@ -1213,14 +1213,9 @@ uftdi_write_callback(struct usb_xfer *xfer, usb_error_t error) DPRINTFN(3, "\n"); switch (USB_GET_STATE(xfer)) { - default: /* Error */ - if (error != USB_ERR_CANCELLED) { - /* try to clear stall first */ - usbd_xfer_set_stall(xfer); - } - /* FALLTHROUGH */ case USB_ST_SETUP: case USB_ST_TRANSFERRED: +tr_setup: /* * If output packets don't require headers (the common case) we * can just load the buffer up with payload bytes all at once. @@ -1255,6 +1250,13 @@ uftdi_write_callback(struct usb_xfer *xfer, usb_error_t error) usbd_transfer_submit(xfer); } break; + default: /* Error */ + if (error != USB_ERR_CANCELLED) { + /* try to clear stall first */ + usbd_xfer_set_stall(xfer); + goto tr_setup; + } + break; } }
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