misc/other: spelling fixes

Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>

net/checksum.c

@@ -74,7 +74,7 @@ void net_checksum_calculate(uint8_t *data, int length, int csum_flag)
         return;
     }
 
-    /* Handle the optionnal VLAN headers */
+    /* Handle the optional VLAN headers */
     switch (lduw_be_p(&PKT_GET_ETH_HDR(data)->h_proto)) {
     case ETH_P_VLAN:
         mac_hdr_len = sizeof(struct eth_header) +
@@ -96,7 +96,7 @@ void net_checksum_calculate(uint8_t *data, int length, int csum_flag)
 
     length -= mac_hdr_len;
 
-    /* Now check we have an IP header (with an optionnal VLAN header) */
+    /* Now check we have an IP header (with an optional VLAN header) */
     if (length < sizeof(struct ip_header)) {
         return;
     }

net/filter.c

@@ -91,8 +91,8 @@ ssize_t qemu_netfilter_pass_to_next(NetClientState *sender,
     next = netfilter_next(nf, direction);
     while (next) {
         /*
-         * if qemu_netfilter_pass_to_next been called, means that
-         * the packet has been hold by filter and has already retured size
+         * if qemu_netfilter_pass_to_next has been called, it means that
+         * the packet was held by  a filter and has already returned size
          * to the sender, so sent_cb shouldn't be called later, just
          * pass NULL to next.
          */
@@ -106,7 +106,7 @@ ssize_t qemu_netfilter_pass_to_next(NetClientState *sender,
 
     /*
      * We have gone through all filters, pass it to receiver.
-     * Do the valid check again incase sender or receiver been
+     * Do the valid check again in case sender or receiver been
      * deleted while we go through filters.
      */
     if (sender && sender->peer) {

net/vhost-vdpa.c

@@ -821,7 +821,7 @@ static int vhost_vdpa_net_load_rx(VhostVDPAState *s,
      * According to virtio_net_reset(), device turns promiscuous mode
      * on by default.
      *
-     * Addtionally, according to VirtIO standard, "Since there are
+     * Additionally, according to VirtIO standard, "Since there are
      * no guarantees, it can use a hash filter or silently switch to
      * allmulti or promiscuous mode if it is given too many addresses.".
      * QEMU marks `n->mac_table.uni_overflow` if guest sets too many
@@ -1130,7 +1130,7 @@ static int vhost_vdpa_net_excessive_mac_filter_cvq_add(VhostVDPAState *s,
      * Pack the non-multicast MAC addresses part for fake CVQ command.
      *
      * According to virtio_net_handle_mac(), QEMU doesn't verify the MAC
-     * addresses provieded in CVQ command. Therefore, only the entries
+     * addresses provided in CVQ command. Therefore, only the entries
      * field need to be prepared in the CVQ command.
      */
     mac_ptr = out->iov_base + cursor;
@@ -1141,7 +1141,7 @@ static int vhost_vdpa_net_excessive_mac_filter_cvq_add(VhostVDPAState *s,
      * Pack the multicast MAC addresses part for fake CVQ command.
      *
      * According to virtio_net_handle_mac(), QEMU doesn't verify the MAC
-     * addresses provieded in CVQ command. Therefore, only the entries
+     * addresses provided in CVQ command. Therefore, only the entries
      * field need to be prepared in the CVQ command.
      */
     mac_ptr = out->iov_base + cursor;
@@ -1202,7 +1202,7 @@ static int vhost_vdpa_net_handle_ctrl_avail(VhostShadowVirtqueue *svq,
          * rejects the flawed CVQ command.
          *
          * Therefore, QEMU must handle this situation instead of sending
-         * the CVQ command direclty.
+         * the CVQ command directly.
          */
         dev_written = vhost_vdpa_net_excessive_mac_filter_cvq_add(s, elem,
                                                                   &out);