From: Suwan Kim Date: Mon, 3 Jun 2019 15:02:11 +0000 (+0900) Subject: usbip: Replace unused kvec array with single variable in vhci_send_cmd_unlink() X-Git-Tag: v5.3-rc1~124^2~55 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=cf2b5010f41638e36d8adca8476f4baee64a8996;p=linux-block.git usbip: Replace unused kvec array with single variable in vhci_send_cmd_unlink() vhci_send_cmd_unlink() declears kvec array of size 3 but it actually uses just one element of the array. So, remove kvec array and replace it with single kvec variable. Signed-off-by: Suwan Kim Acked-by: Shuah Khan Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/usbip/vhci_tx.c b/drivers/usb/usbip/vhci_tx.c index 9aed15a358b7..2fa26d0578d7 100644 --- a/drivers/usb/usbip/vhci_tx.c +++ b/drivers/usb/usbip/vhci_tx.c @@ -144,16 +144,14 @@ static int vhci_send_cmd_unlink(struct vhci_device *vdev) struct vhci_unlink *unlink = NULL; struct msghdr msg; - struct kvec iov[3]; + struct kvec iov; size_t txsize; - size_t total_size = 0; while ((unlink = dequeue_from_unlink_tx(vdev)) != NULL) { int ret; struct usbip_header pdu_header; - txsize = 0; memset(&pdu_header, 0, sizeof(pdu_header)); memset(&msg, 0, sizeof(msg)); memset(&iov, 0, sizeof(iov)); @@ -169,11 +167,11 @@ static int vhci_send_cmd_unlink(struct vhci_device *vdev) usbip_header_correct_endian(&pdu_header, 1); - iov[0].iov_base = &pdu_header; - iov[0].iov_len = sizeof(pdu_header); - txsize += sizeof(pdu_header); + iov.iov_base = &pdu_header; + iov.iov_len = sizeof(pdu_header); + txsize = sizeof(pdu_header); - ret = kernel_sendmsg(vdev->ud.tcp_socket, &msg, iov, 1, txsize); + ret = kernel_sendmsg(vdev->ud.tcp_socket, &msg, &iov, 1, txsize); if (ret != txsize) { pr_err("sendmsg failed!, ret=%d for %zd\n", ret, txsize);