xen: Fix coding style errors

Fixes the following errors:
 * ERROR: line over 90 characters
 * ERROR: code indent should never use tabs
 * ERROR: space prohibited after that open square bracket '['
 * ERROR: do not initialise statics to 0 or NULL
 * ERROR: "(foo*)" should be "(foo *)"

Signed-off-by: Emil Condrea <emilcondrea@gmail.com>
Signed-off-by: Stefano Stabellini <sstabellini@kernel.org>
Signed-off-by: Quan Xu <xuquan8@huawei.com>
Acked-by: Anthony PERARD <anthony.perard@citrix.com>

hw/char/xen_console.c

@@ -160,7 +160,8 @@ static void xencons_send(struct XenConsole *con)
     if (len < 1) {
         if (!con->backlog) {
             con->backlog = 1;
-	    xen_be_printf(&con->xendev, 1, "backlog piling up, nobody listening?\n");
+            xen_be_printf(&con->xendev, 1,
+                          "backlog piling up, nobody listening?\n");
         }
     } else {
         buffer_advance(&con->buffer, len);

hw/display/xenfb.c

@@ -103,7 +103,8 @@ static int common_bind(struct common *c)
         return -1;
 
     xen_be_bind_evtchn(&c->xendev);
-    xen_be_printf(&c->xendev, 1, "ring mfn %"PRI_xen_pfn", remote-port %d, local-port %d\n",
+    xen_be_printf(&c->xendev, 1,
+                  "ring mfn %"PRI_xen_pfn", remote-port %d, local-port %d\n",
                   mfn, c->xendev.remote_port, c->xendev.local_port);
 
     return 0;
@@ -510,38 +511,45 @@ static int xenfb_configure_fb(struct XenFB *xenfb, size_t fb_len_lim,
     int max_width, max_height;
 
     if (fb_len_lim > fb_len_max) {
-	xen_be_printf(&xenfb->c.xendev, 0, "fb size limit %zu exceeds %zu, corrected\n",
+        xen_be_printf(&xenfb->c.xendev, 0,
+                      "fb size limit %zu exceeds %zu, corrected\n",
                       fb_len_lim, fb_len_max);
         fb_len_lim = fb_len_max;
     }
     if (fb_len_lim && fb_len > fb_len_lim) {
-	xen_be_printf(&xenfb->c.xendev, 0, "frontend fb size %zu limited to %zu\n",
+        xen_be_printf(&xenfb->c.xendev, 0,
+                      "frontend fb size %zu limited to %zu\n",
                       fb_len, fb_len_lim);
         fb_len = fb_len_lim;
     }
     if (depth != 8 && depth != 16 && depth != 24 && depth != 32) {
-	xen_be_printf(&xenfb->c.xendev, 0, "can't handle frontend fb depth %d\n",
+        xen_be_printf(&xenfb->c.xendev, 0,
+                      "can't handle frontend fb depth %d\n",
                       depth);
         return -1;
     }
     if (row_stride <= 0 || row_stride > fb_len) {
-	xen_be_printf(&xenfb->c.xendev, 0, "invalid frontend stride %d\n", row_stride);
+        xen_be_printf(&xenfb->c.xendev, 0, "invalid frontend stride %d\n",
+                      row_stride);
         return -1;
     }
     max_width = row_stride / (depth / 8);
     if (width < 0 || width > max_width) {
-	xen_be_printf(&xenfb->c.xendev, 0, "invalid frontend width %d limited to %d\n",
+        xen_be_printf(&xenfb->c.xendev, 0,
+                      "invalid frontend width %d limited to %d\n",
                       width, max_width);
         width = max_width;
     }
     if (offset < 0 || offset >= fb_len) {
-	xen_be_printf(&xenfb->c.xendev, 0, "invalid frontend offset %d (max %zu)\n",
+        xen_be_printf(&xenfb->c.xendev, 0,
+                      "invalid frontend offset %d (max %zu)\n",
                       offset, fb_len - 1);
         return -1;
     }
     max_height = (fb_len - offset) / row_stride;
     if (height < 0 || height > max_height) {
-	xen_be_printf(&xenfb->c.xendev, 0, "invalid frontend height %d limited to %d\n",
+        xen_be_printf(&xenfb->c.xendev, 0,
+                      "invalid frontend height %d limited to %d\n",
                       height, max_height);
         height = max_height;
     }
@@ -732,7 +740,8 @@ static void xenfb_update(void *opaque)
         xen_be_printf(&xenfb->c.xendev, 3, "update: fullscreen\n");
         xenfb_guest_copy(xenfb, 0, 0, xenfb->width, xenfb->height);
     } else if (xenfb->up_count) {
-	xen_be_printf(&xenfb->c.xendev, 3, "update: %d rects\n", xenfb->up_count);
+        xen_be_printf(&xenfb->c.xendev, 3, "update: %d rects\n",
+                      xenfb->up_count);
         for (i = 0; i < xenfb->up_count; i++)
             xenfb_guest_copy(xenfb,
                              xenfb->up_rects[i].x,

hw/net/xen_nic.c

@@ -151,7 +151,8 @@ static void net_tx_packets(struct XenNetDev *netdev)
                 continue;
             }
 
-            xen_be_printf(&netdev->xendev, 3, "tx packet ref %d, off %d, len %d, flags 0x%x%s%s%s%s\n",
+            xen_be_printf(&netdev->xendev, 3,
+                          "tx packet ref %d, off %d, len %d, flags 0x%x%s%s%s%s\n",
                           txreq.gref, txreq.offset, txreq.size, txreq.flags,
                           (txreq.flags & NETTXF_csum_blank)     ? " csum_blank"     : "",
                           (txreq.flags & NETTXF_data_validated) ? " data_validated" : "",
@@ -162,7 +163,8 @@ static void net_tx_packets(struct XenNetDev *netdev)
                                            netdev->xendev.dom,
                                            txreq.gref, PROT_READ);
             if (page == NULL) {
-                xen_be_printf(&netdev->xendev, 0, "error: tx gref dereference failed (%d)\n",
+                xen_be_printf(&netdev->xendev, 0,
+                              "error: tx gref dereference failed (%d)\n",
                              txreq.gref);
                 net_tx_error(netdev, &txreq, rc);
                 continue;

hw/xen/xen_backend.c

@@ -54,7 +54,7 @@ static QTAILQ_HEAD(xs_dirs_head, xs_dirs) xs_cleanup =
     QTAILQ_HEAD_INITIALIZER(xs_cleanup);
 
 static QTAILQ_HEAD(XenDeviceHead, XenDevice) xendevs = QTAILQ_HEAD_INITIALIZER(xendevs);
-static int debug = 0;
+static int debug;
 
 /* ------------------------------------------------------------- */