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| author | Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 00:26:10 -0700 |
|---|---|---|
| committer | Ross Zwisler <ross.zwisler@linux.intel.com> | 2018-02-03 00:26:10 -0700 |
| commit | d121f07691415df824e6b60520f782f6d13b3c81 (patch) | |
| tree | 422ad3cc6fd631604fef4e469e49bacba8202e52 /drivers/usb/usbip/usbip_common.c | |
| parent | 59858d3d54cfad1f8db67c2c07e4dd33bb6ed955 (diff) | |
| parent | 569d0365f571fa6421a5c80bc30d1b2cdab857fe (diff) | |
| download | linux-d121f07691415df824e6b60520f782f6d13b3c81.tar.gz linux-d121f07691415df824e6b60520f782f6d13b3c81.tar.xz | |
Merge branch 'for-4.16/dax' into libnvdimm-for-next
Diffstat (limited to 'drivers/usb/usbip/usbip_common.c')
| -rw-r--r-- | drivers/usb/usbip/usbip_common.c | 16 |
1 files changed, 5 insertions, 11 deletions
diff --git a/drivers/usb/usbip/usbip_common.c b/drivers/usb/usbip/usbip_common.c index f7978933b402..7b219d9109b4 100644 --- a/drivers/usb/usbip/usbip_common.c +++ b/drivers/usb/usbip/usbip_common.c @@ -317,26 +317,20 @@ int usbip_recv(struct socket *sock, void *buf, int size) struct msghdr msg = {.msg_flags = MSG_NOSIGNAL}; int total = 0; + if (!sock || !buf || !size) + return -EINVAL; + iov_iter_kvec(&msg.msg_iter, READ|ITER_KVEC, &iov, 1, size); usbip_dbg_xmit("enter\n"); - if (!sock || !buf || !size) { - pr_err("invalid arg, sock %p buff %p size %d\n", sock, buf, - size); - return -EINVAL; - } - do { - int sz = msg_data_left(&msg); + msg_data_left(&msg); sock->sk->sk_allocation = GFP_NOIO; result = sock_recvmsg(sock, &msg, MSG_WAITALL); - if (result <= 0) { - pr_debug("receive sock %p buf %p size %u ret %d total %d\n", - sock, buf + total, sz, result, total); + if (result <= 0) goto err; - } total += result; } while (msg_data_left(&msg)); |