vmwlegacy: Silence a number of warnings

This potentially also fixes a use of an uninitialized pointer value, which
may cause OOM or segfaults.

Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Michel Dänzer <daenzer@vmware.com>

2 files changed, 10 insertions, 50 deletions

diff --git a/src/vmware.c b/src/vmware.c
index e04835f..1f262e3 100644
--- a/src/vmware.c
+++ b/src/vmware.c
@@ -1021,6 +1021,7 @@ VMWAREMapMem(ScrnInfoPtr pScrn)
 #if XSERVER_LIBPCIACCESS
     int err;
     struct pci_device *const device = pVMWARE->PciInfo;
+    void *fbBase;
 #endif
 
 #if XSERVER_LIBPCIACCESS
@@ -1028,14 +1029,14 @@ VMWAREMapMem(ScrnInfoPtr pScrn)
                               pVMWARE->memPhysBase,
                               pVMWARE->videoRam,
                               PCI_DEV_MAP_FLAG_WRITABLE,
-                              (void **) &pVMWARE->FbBase);
+			      &fbBase);
    if (err) {
        xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
                   "Unable to map frame buffer BAR. %s (%d)\n",
                   strerror (err), err);
        return FALSE;
    }
-
+   pVMWARE->FbBase = fbBase;
 #else
     pVMWARE->FbBase = xf86MapPciMem(pScrn->scrnIndex, 0,
                                     pVMWARE->PciTag,
@@ -1336,6 +1337,7 @@ VMWAREInitFIFO(ScrnInfoPtr pScrn)
 #if XSERVER_LIBPCIACCESS
     struct pci_device *const device = pVMWARE->PciInfo;
     int err;
+    void *mmioVirtBase;
 #endif
     CARD32* vmwareFIFO;
     Bool extendedFifo;
@@ -1349,13 +1351,14 @@ VMWAREInitFIFO(ScrnInfoPtr pScrn)
     err = pci_device_map_range(device, pVMWARE->mmioPhysBase,
                                pVMWARE->mmioSize,
                                PCI_DEV_MAP_FLAG_WRITABLE,
-                               (void **) &pVMWARE->mmioVirtBase);
+                               &mmioVirtBase);
     if (err) {
         xf86DrvMsg(pScrn->scrnIndex, X_ERROR,
                    "Unable to map mmio BAR. %s (%d)\n",
                    strerror (err), err);
         return;
     }
+    pVMWARE->mmioVirtBase = mmioVirtBase;
 #else
     pVMWARE->mmioVirtBase = xf86MapPciMem(pScrn->scrnIndex, VIDMEM_MMIO,
                                           pVMWARE->PciTag,
diff --git a/src/vmwaremodes.c b/src/vmwaremodes.c
index d82eba6..5386b17 100644
--- a/src/vmwaremodes.c
+++ b/src/vmwaremodes.c
@@ -50,50 +50,6 @@
 #define VMW_DEFLT_MODE_NAME "vmwlegacy-default-%dx%d"
 
 /*
- * Most of the modelines copied from DMTModes table of xf86EdidModes.c.
- * For those modes not in DMTModes table are generated by gtf
- * These modes are not used currently, and not really necessary.
- * Consider removing them in a future release.
- */
-static DisplayModeRec VMwareModes[] = {
-   /* 4:3 modes */
-   { MODEPREFIX,  5260,  320,  304,  336,  352, 0,  240,  241,  244,  249, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 320x240@60Hz,  GTF */
-   { MODEPREFIX,  8660,  400,  392,  432,  464, 0,  300,  301,  304,  311, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 400x300@60Hz,  GTF */
-   { MODEPREFIX, 14900,  512,  520,  568,  624, 0,  384,  385,  388,  398, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 512x384@60Hz,  GTF */
-   { MODEPREFIX, 25175,  640,  656,  752,  800, 0,  480,  490,  492,  525, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 640x480@60Hz,  DMT */
-   { MODEPREFIX, 40000,  800,  840,  968, 1056, 0,  600,  601,  605,  628, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x600@60Hz,  DMT */
-   { MODEPREFIX, 65000, 1024, 1048, 1184, 1344, 0,  768,  771,  777,  806, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1024x768@60Hz, DMT */
-   { MODEPREFIX, 81620, 1152, 1216, 1336, 1520, 0,  864,  865,  868,  895, 0, V_NHSYNC | V_NVSYNC, MODESUFFIX }, /* 1152x864@60Hz, GTF */
-   { MODEPREFIX,108000, 1280, 1376, 1488, 1800, 0,  960,  961,  964, 1000, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1280x960@60Hz, DMT */
-   { MODEPREFIX,121750, 1400, 1488, 1632, 1864, 0, 1050, 1053, 1057, 1089, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 1400x1050@60Hz,DMT */
-   { MODEPREFIX,162000, 1600, 1664, 1856, 2160, 0, 1200, 1201, 1204, 1250, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1600x1200@60Hz,DMT */
-   { MODEPREFIX,234000, 1920, 2048, 2256, 2600, 0, 1440, 1441, 1444, 1500, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 1920x1440@60Hz,DMT */
-   { MODEPREFIX,266950, 2048, 2200, 2424, 2800, 0, 1536, 1537, 1540, 1589, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 2048x1536@60Hz,GTF */
-   { MODEPREFIX,421560, 2560, 2768, 3048, 3536, 0, 1920, 1921, 1924, 1987, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 2560x1920@60Hz,GTF */
-   /* 16:9 modes */
-   { MODEPREFIX, 31730,  856,  872,  960, 1064, 0,  480,  481,  484,  497, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 856x480@60Hz,  GTF */
-   { MODEPREFIX, 74480, 1280, 1336, 1472, 1664, 0,  720,  721,  724,  746, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 1280x720@60Hz, GTF */
-   { MODEPREFIX, 85860, 1368, 1440, 1584, 1800, 0,  768,  769,  772,  795, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 1368x768@60Hz, GTF */
-   { MODEPREFIX,172800, 1920, 2040, 2248, 2576, 0, 1080, 1081, 1084, 1118, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 1920x1080@60Hz,GTF */
-   /* 16:10 modes */
-   { MODEPREFIX, 83500, 1280, 1352, 1480, 1680, 0,  800,  803,  809,  831, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 1280x800@60Hz, DMT */
-   { MODEPREFIX,106500, 1440, 1520, 1672, 1904, 0,  900,  903,  909,  934, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 1440x900@60Hz, DMT */
-   { MODEPREFIX,146250, 1680, 1784, 1960, 2240, 0, 1050, 1053, 1059, 1089, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 1680x1050@60Hz,DMT */
-   { MODEPREFIX,193250, 1920, 2056, 2256, 2592, 0, 1200, 1203, 1209, 1245, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 1920x1200@60Hz,DMT */
-   { MODEPREFIX,348500, 2560, 2752, 3032, 3504, 0, 1600, 1603, 1609, 1658, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 2560x1600@60Hz,DMT */
-   /* DVD modes */
-   { MODEPREFIX, 26720,  720,  736,  808,  896, 0,  480,  481,  484,  497, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 720x480@60Hz,  GTF */
-   { MODEPREFIX, 32670,  720,  744,  816,  912, 0,  576,  577,  580,  597, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 720x576@60Hz,  GTF */
-   /* Odd modes */
-   { MODEPREFIX,  4190,  320,  304,  328,  336, 0,  200,  201,  204,  208, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 320x200@60Hz,  GTF */
-   { MODEPREFIX, 19520,  640,  648,  712,  784, 0,  400,  401,  404,  415, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 640x400@60Hz,  GTF */
-   { MODEPREFIX, 29580,  800,  816,  896,  992, 0,  480,  481,  484,  497, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 800x480@60Hz,  GTF */
-   { MODEPREFIX, 79500, 1280, 1344, 1472, 1664, 0,  768,  771,  778,  798, 0, V_NHSYNC | V_PVSYNC, MODESUFFIX }, /* 1280x768@60Hz, DMT */
-   { MODEPREFIX,108000, 1280, 1328, 1440, 1688, 0, 1024, 1025, 1028, 1066, 0, V_PHSYNC | V_PVSYNC, MODESUFFIX }, /* 1280x1024@60Hz,DMT */
-};
-
-
-/*
  *-----------------------------------------------------------------------------
  *
  * vmwareAddDefaultMode --
@@ -112,7 +68,6 @@ static DisplayModeRec VMwareModes[] = {
 void
 vmwareAddDefaultMode(ScrnInfoPtr pScrn, uint32 dwidth, uint32 dheight)
 {
-    MonPtr monitor = pScrn->monitor;
     DisplayModePtr *monitorModes = &pScrn->monitor->Modes;
     DisplayModePtr modes = NULL;
 
@@ -122,10 +77,10 @@ vmwareAddDefaultMode(ScrnInfoPtr pScrn, uint32 dwidth, uint32 dheight)
 
 #ifdef HAVE_XORG_SERVER_1_2_0
     if (dwidth && dheight) {
+	MonPtr monitor = pScrn->monitor;
 	DisplayModePtr mode = NULL;
 	DisplayModeRec dynamic =
 	    { MODEPREFIX, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, MODESUFFIX };
-	int i = 0;
 	unsigned dispModeCount = 0;
 	char **dispModeList;
 	char *dynModeName;
@@ -145,9 +100,9 @@ vmwareAddDefaultMode(ScrnInfoPtr pScrn, uint32 dwidth, uint32 dheight)
 	    dispModeList = pScrn->display->modes;
 	    while(*dispModeList)
 		dispModeList++;
+	    dispModeCount = dispModeList - pScrn->display->modes;
 	}
 
-	dispModeCount = dispModeList - pScrn->display->modes;
 	dispModeList = xnfcalloc(dispModeCount + 2, sizeof(*dispModeList));
 	if (!dispModeList)
 	    goto out_err;
@@ -183,6 +138,8 @@ vmwareAddDefaultMode(ScrnInfoPtr pScrn, uint32 dwidth, uint32 dheight)
     }
 
     *monitorModes = xf86ModesAdd(*monitorModes, modes);
+#else
+    (void) modes;
 #endif
     return;
   out_err: