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| author | Johan Hovold <johan@kernel.org> | 2021-01-18 15:46:29 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-01-26 19:20:11 +0100 |
| commit | e4240253ac853886e7066e0bb765e2d96e3b1eb6 (patch) | |
| tree | fc4d045434444efa09126717a9152ee144d411d6 | |
| parent | 7eecea89e44f64e60f1410483e79a0cab18ad580 (diff) | |
| download | linux-e4240253ac853886e7066e0bb765e2d96e3b1eb6.tar.bz2 | |
greybus: es2: drop short control-transfer checks
There's no need to check for short USB control transfers when sending
data using so remove the redundant sanity checks.
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20210118144629.25533-1-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/greybus/es2.c | 9 |
1 files changed, 2 insertions, 7 deletions
diff --git a/drivers/greybus/es2.c b/drivers/greybus/es2.c index 1df6ab5d339d..48ad154df3a7 100644 --- a/drivers/greybus/es2.c +++ b/drivers/greybus/es2.c @@ -567,12 +567,9 @@ static int cport_enable(struct gb_host_device *hd, u16 cport_id, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE, cport_id, 0, req, sizeof(*req), ES2_USB_CTRL_TIMEOUT); - if (ret != sizeof(*req)) { + if (ret < 0) { dev_err(&udev->dev, "failed to set cport flags for port %d\n", cport_id); - if (ret >= 0) - ret = -EIO; - goto out; } @@ -961,12 +958,10 @@ static int arpc_send(struct es2_ap_dev *es2, struct arpc *rpc, int timeout) 0, 0, rpc->req, le16_to_cpu(rpc->req->size), ES2_USB_CTRL_TIMEOUT); - if (retval != le16_to_cpu(rpc->req->size)) { + if (retval < 0) { dev_err(&udev->dev, "failed to send ARPC request %d: %d\n", rpc->req->type, retval); - if (retval > 0) - retval = -EIO; return retval; } |