| File: | hw/xfree86/common/xf86AutoConfig.c |
| Location: | line 385, column 18 |
| Description: | Access to field 'device' results in a dereference of a null pointer (loaded from field 'screen') |
| 1 | /* | |||
| 2 | * Copyright 2003 by David H. Dawes. | |||
| 3 | * Copyright 2003 by X-Oz Technologies. | |||
| 4 | * All rights reserved. | |||
| 5 | * | |||
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a | |||
| 7 | * copy of this software and associated documentation files (the "Software"), | |||
| 8 | * to deal in the Software without restriction, including without limitation | |||
| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |||
| 10 | * and/or sell copies of the Software, and to permit persons to whom the | |||
| 11 | * Software is furnished to do so, subject to the following conditions: | |||
| 12 | * | |||
| 13 | * The above copyright notice and this permission notice shall be included in | |||
| 14 | * all copies or substantial portions of the Software. | |||
| 15 | * | |||
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |||
| 19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR | |||
| 20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, | |||
| 21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR | |||
| 22 | * OTHER DEALINGS IN THE SOFTWARE. | |||
| 23 | * | |||
| 24 | * Except as contained in this notice, the name of the copyright holder(s) | |||
| 25 | * and author(s) shall not be used in advertising or otherwise to promote | |||
| 26 | * the sale, use or other dealings in this Software without prior written | |||
| 27 | * authorization from the copyright holder(s) and author(s). | |||
| 28 | * | |||
| 29 | * Author: David Dawes <dawes@XFree86.Org>. | |||
| 30 | */ | |||
| 31 | ||||
| 32 | #ifdef HAVE_XORG_CONFIG_H1 | |||
| 33 | #include <xorg-config.h> | |||
| 34 | #endif | |||
| 35 | ||||
| 36 | #include "xf86.h" | |||
| 37 | #include "xf86Parser.h" | |||
| 38 | #include "xf86tokens.h" | |||
| 39 | #include "xf86Config.h" | |||
| 40 | #include "xf86Priv.h" | |||
| 41 | #include "xf86_OSlib.h" | |||
| 42 | #include "xf86platformBus.h" | |||
| 43 | #include "xf86pciBus.h" | |||
| 44 | #ifdef __sparc__ | |||
| 45 | #include "xf86sbusBus.h" | |||
| 46 | #endif | |||
| 47 | ||||
| 48 | #ifdef sun | |||
| 49 | #include <sys/visual_io.h> | |||
| 50 | #include <ctype.h> | |||
| 51 | #endif | |||
| 52 | ||||
| 53 | /* Sections for the default built-in configuration. */ | |||
| 54 | ||||
| 55 | #define BUILTIN_DEVICE_NAME"\"Builtin Default %s Device %d\"" \ | |||
| 56 | "\"Builtin Default %s Device %d\"" | |||
| 57 | ||||
| 58 | #define BUILTIN_DEVICE_SECTION_PRE"Section \"Device\"\n" "\tIdentifier\t" "\"Builtin Default %s Device %d\"" "\n" "\tDriver\t\"%s\"\n" \ | |||
| 59 | "Section \"Device\"\n" \ | |||
| 60 | "\tIdentifier\t" BUILTIN_DEVICE_NAME"\"Builtin Default %s Device %d\"" "\n" \ | |||
| 61 | "\tDriver\t\"%s\"\n" | |||
| 62 | ||||
| 63 | #define BUILTIN_DEVICE_SECTION_POST"EndSection\n\n" \ | |||
| 64 | "EndSection\n\n" | |||
| 65 | ||||
| 66 | #define BUILTIN_DEVICE_SECTION"Section \"Device\"\n" "\tIdentifier\t" "\"Builtin Default %s Device %d\"" "\n" "\tDriver\t\"%s\"\n" "EndSection\n\n" \ | |||
| 67 | BUILTIN_DEVICE_SECTION_PRE"Section \"Device\"\n" "\tIdentifier\t" "\"Builtin Default %s Device %d\"" "\n" "\tDriver\t\"%s\"\n" \ | |||
| 68 | BUILTIN_DEVICE_SECTION_POST"EndSection\n\n" | |||
| 69 | ||||
| 70 | #define BUILTIN_SCREEN_NAME"\"Builtin Default %s Screen %d\"" \ | |||
| 71 | "\"Builtin Default %s Screen %d\"" | |||
| 72 | ||||
| 73 | #define BUILTIN_SCREEN_SECTION"Section \"Screen\"\n" "\tIdentifier\t" "\"Builtin Default %s Screen %d\"" "\n" "\tDevice\t" "\"Builtin Default %s Device %d\"" "\n" "EndSection\n\n" \ | |||
| 74 | "Section \"Screen\"\n" \ | |||
| 75 | "\tIdentifier\t" BUILTIN_SCREEN_NAME"\"Builtin Default %s Screen %d\"" "\n" \ | |||
| 76 | "\tDevice\t" BUILTIN_DEVICE_NAME"\"Builtin Default %s Device %d\"" "\n" \ | |||
| 77 | "EndSection\n\n" | |||
| 78 | ||||
| 79 | #define BUILTIN_LAYOUT_SECTION_PRE"Section \"ServerLayout\"\n" "\tIdentifier\t\"Builtin Default Layout\"\n" \ | |||
| 80 | "Section \"ServerLayout\"\n" \ | |||
| 81 | "\tIdentifier\t\"Builtin Default Layout\"\n" | |||
| 82 | ||||
| 83 | #define BUILTIN_LAYOUT_SCREEN_LINE"\tScreen\t" "\"Builtin Default %s Screen %d\"" "\n" \ | |||
| 84 | "\tScreen\t" BUILTIN_SCREEN_NAME"\"Builtin Default %s Screen %d\"" "\n" | |||
| 85 | ||||
| 86 | #define BUILTIN_LAYOUT_SECTION_POST"EndSection\n\n" \ | |||
| 87 | "EndSection\n\n" | |||
| 88 | ||||
| 89 | static const char **builtinConfig = NULL((void*)0); | |||
| 90 | static int builtinLines = 0; | |||
| 91 | ||||
| 92 | static void listPossibleVideoDrivers(char *matches[], int nmatches); | |||
| 93 | ||||
| 94 | /* | |||
| 95 | * A built-in config file is stored as an array of strings, with each string | |||
| 96 | * representing a single line. AppendToConfig() breaks up the string "s" | |||
| 97 | * into lines, and appends those lines it to builtinConfig. | |||
| 98 | */ | |||
| 99 | ||||
| 100 | static void | |||
| 101 | AppendToList(const char *s, const char ***list, int *lines) | |||
| 102 | { | |||
| 103 | char *str, *newstr, *p; | |||
| 104 | ||||
| 105 | str = xnfstrdup(s)XNFstrdup(s); | |||
| 106 | for (p = strtok(str, "\n"); p; p = strtok(NULL((void*)0), "\n")) { | |||
| 107 | (*lines)++; | |||
| 108 | *list = xnfreallocarray(*list, *lines + 1, sizeof(**list))XNFreallocarray((*list), (*lines + 1), (sizeof(**list))); | |||
| 109 | newstr = xnfalloc(strlen(p) + 2)XNFalloc((unsigned long)(strlen(p) + 2)); | |||
| 110 | strcpy(newstr, p)__builtin___strcpy_chk (newstr, p, __builtin_object_size (newstr , 2 > 1 ? 1 : 0)); | |||
| 111 | strcat(newstr, "\n")__builtin___strcat_chk (newstr, "\n", __builtin_object_size ( newstr, 2 > 1 ? 1 : 0)); | |||
| 112 | (*list)[*lines - 1] = newstr; | |||
| 113 | (*list)[*lines] = NULL((void*)0); | |||
| 114 | } | |||
| 115 | free(str); | |||
| 116 | } | |||
| 117 | ||||
| 118 | static void | |||
| 119 | FreeList(const char ***list, int *lines) | |||
| 120 | { | |||
| 121 | int i; | |||
| 122 | ||||
| 123 | for (i = 0; i < *lines; i++) { | |||
| 124 | free((char *) ((*list)[i])); | |||
| 125 | } | |||
| 126 | free(*list); | |||
| 127 | *list = NULL((void*)0); | |||
| 128 | *lines = 0; | |||
| 129 | } | |||
| 130 | ||||
| 131 | static void | |||
| 132 | FreeConfig(void) | |||
| 133 | { | |||
| 134 | FreeList(&builtinConfig, &builtinLines); | |||
| 135 | } | |||
| 136 | ||||
| 137 | static void | |||
| 138 | AppendToConfig(const char *s) | |||
| 139 | { | |||
| 140 | AppendToList(s, &builtinConfig, &builtinLines); | |||
| 141 | } | |||
| 142 | ||||
| 143 | Bool | |||
| 144 | xf86AutoConfig(void) | |||
| 145 | { | |||
| 146 | char *deviceList[20]; | |||
| 147 | char **p; | |||
| 148 | const char **cp; | |||
| 149 | char buf[1024]; | |||
| 150 | ConfigStatus ret; | |||
| 151 | ||||
| 152 | listPossibleVideoDrivers(deviceList, 20); | |||
| 153 | ||||
| 154 | for (p = deviceList; *p; p++) { | |||
| 155 | snprintf(buf, sizeof(buf), BUILTIN_DEVICE_SECTION, *p, 0, *p)__builtin___snprintf_chk (buf, sizeof(buf), 0, __builtin_object_size (buf, 2 > 1 ? 1 : 0), "Section \"Device\"\n" "\tIdentifier\t" "\"Builtin Default %s Device %d\"" "\n" "\tDriver\t\"%s\"\n" "EndSection\n\n", *p, 0, *p); | |||
| 156 | AppendToConfig(buf); | |||
| 157 | snprintf(buf, sizeof(buf), BUILTIN_SCREEN_SECTION, *p, 0, *p, 0)__builtin___snprintf_chk (buf, sizeof(buf), 0, __builtin_object_size (buf, 2 > 1 ? 1 : 0), "Section \"Screen\"\n" "\tIdentifier\t" "\"Builtin Default %s Screen %d\"" "\n" "\tDevice\t" "\"Builtin Default %s Device %d\"" "\n" "EndSection\n\n", *p, 0, *p, 0); | |||
| 158 | AppendToConfig(buf); | |||
| 159 | } | |||
| 160 | ||||
| 161 | AppendToConfig(BUILTIN_LAYOUT_SECTION_PRE"Section \"ServerLayout\"\n" "\tIdentifier\t\"Builtin Default Layout\"\n"); | |||
| 162 | for (p = deviceList; *p; p++) { | |||
| 163 | snprintf(buf, sizeof(buf), BUILTIN_LAYOUT_SCREEN_LINE, *p, 0)__builtin___snprintf_chk (buf, sizeof(buf), 0, __builtin_object_size (buf, 2 > 1 ? 1 : 0), "\tScreen\t" "\"Builtin Default %s Screen %d\"" "\n", *p, 0); | |||
| 164 | AppendToConfig(buf); | |||
| 165 | } | |||
| 166 | AppendToConfig(BUILTIN_LAYOUT_SECTION_POST"EndSection\n\n"); | |||
| 167 | ||||
| 168 | for (p = deviceList; *p; p++) { | |||
| 169 | free(*p); | |||
| 170 | } | |||
| 171 | ||||
| 172 | xf86MsgVerb(X_DEFAULT, 0, | |||
| 173 | "Using default built-in configuration (%d lines)\n", | |||
| 174 | builtinLines); | |||
| 175 | ||||
| 176 | xf86MsgVerb(X_DEFAULT, 3, "--- Start of built-in configuration ---\n"); | |||
| 177 | for (cp = builtinConfig; *cp; cp++) | |||
| 178 | xf86ErrorFVerb(3, "\t%s", *cp); | |||
| 179 | xf86MsgVerb(X_DEFAULT, 3, "--- End of built-in configuration ---\n"); | |||
| 180 | ||||
| 181 | xf86initConfigFiles(); | |||
| 182 | xf86setBuiltinConfig(builtinConfig); | |||
| 183 | ret = xf86HandleConfigFile(TRUE1); | |||
| 184 | FreeConfig(); | |||
| 185 | ||||
| 186 | if (ret != CONFIG_OK) | |||
| 187 | xf86Msg(X_ERROR, "Error parsing the built-in default configuration.\n"); | |||
| 188 | ||||
| 189 | return ret == CONFIG_OK; | |||
| 190 | } | |||
| 191 | ||||
| 192 | static void | |||
| 193 | listPossibleVideoDrivers(char *matches[], int nmatches) | |||
| 194 | { | |||
| 195 | int i; | |||
| 196 | ||||
| 197 | for (i = 0; i < nmatches; i++) { | |||
| 198 | matches[i] = NULL((void*)0); | |||
| 199 | } | |||
| 200 | i = 0; | |||
| 201 | ||||
| 202 | #ifdef XSERVER_PLATFORM_BUS | |||
| 203 | i = xf86PlatformMatchDriver(matches, nmatches); | |||
| 204 | #endif | |||
| 205 | #ifdef sun | |||
| 206 | /* Check for driver type based on /dev/fb type and if valid, use | |||
| 207 | it instead of PCI bus probe results */ | |||
| 208 | if (xf86Info.consoleFd >= 0 && (i < (nmatches - 1))) { | |||
| 209 | struct vis_identifier visid; | |||
| 210 | const char *cp; | |||
| 211 | int iret; | |||
| 212 | ||||
| 213 | SYSCALL(iret = ioctl(xf86Info.consoleFd, VIS_GETIDENTIFIER, &visid))while(((iret = ioctl(xf86Info.consoleFd, VIS_GETIDENTIFIER, & visid)) == -1) && ((*__error()) == 4)); | |||
| 214 | if (iret < 0) { | |||
| 215 | int fbfd; | |||
| 216 | ||||
| 217 | fbfd = open(xf86SolarisFbDev, O_RDONLY0x0000); | |||
| 218 | if (fbfd >= 0) { | |||
| 219 | SYSCALL(iret = ioctl(fbfd, VIS_GETIDENTIFIER, &visid))while(((iret = ioctl(fbfd, VIS_GETIDENTIFIER, &visid)) == -1) && ((*__error()) == 4)); | |||
| 220 | close(fbfd); | |||
| 221 | } | |||
| 222 | } | |||
| 223 | ||||
| 224 | if (iret < 0) { | |||
| 225 | xf86Msg(X_WARNING, | |||
| 226 | "could not get frame buffer identifier from %s\n", | |||
| 227 | xf86SolarisFbDev); | |||
| 228 | } | |||
| 229 | else { | |||
| 230 | xf86Msg(X_PROBED, "console driver: %s\n", visid.name); | |||
| 231 | ||||
| 232 | /* Special case from before the general case was set */ | |||
| 233 | if (strcmp(visid.name, "NVDAnvda") == 0) { | |||
| 234 | matches[i++] = xnfstrdup("nvidia")XNFstrdup("nvidia"); | |||
| 235 | } | |||
| 236 | ||||
| 237 | /* General case - split into vendor name (initial all-caps | |||
| 238 | prefix) & driver name (rest of the string). */ | |||
| 239 | if (strcmp(visid.name, "SUNWtext") != 0) { | |||
| 240 | for (cp = visid.name; (*cp != '\0') && isupper(*cp); cp++) { | |||
| 241 | /* find end of all uppercase vendor section */ | |||
| 242 | } | |||
| 243 | if ((cp != visid.name) && (*cp != '\0')) { | |||
| 244 | char *driverName = xnfstrdup(cp)XNFstrdup(cp); | |||
| 245 | char *vendorName = xnfstrdup(visid.name)XNFstrdup(visid.name); | |||
| 246 | ||||
| 247 | vendorName[cp - visid.name] = '\0'; | |||
| 248 | ||||
| 249 | matches[i++] = vendorName; | |||
| 250 | matches[i++] = driverName; | |||
| 251 | } | |||
| 252 | } | |||
| 253 | } | |||
| 254 | } | |||
| 255 | #endif | |||
| 256 | #ifdef __sparc__ | |||
| 257 | if (i < (nmatches - 1)) | |||
| 258 | { | |||
| 259 | char *sbusDriver = sparcDriverName(); | |||
| 260 | ||||
| 261 | if (sbusDriver) | |||
| 262 | matches[i++] = xnfstrdup(sbusDriver)XNFstrdup(sbusDriver); | |||
| 263 | } | |||
| 264 | #endif | |||
| 265 | #ifdef XSERVER_LIBPCIACCESS | |||
| 266 | if (i < (nmatches - 1)) | |||
| 267 | i += xf86PciMatchDriver(&matches[i], nmatches - i); | |||
| 268 | #endif | |||
| 269 | ||||
| 270 | #if defined(__linux__) | |||
| 271 | matches[i++] = xnfstrdup("modesetting")XNFstrdup("modesetting"); | |||
| 272 | #endif | |||
| 273 | ||||
| 274 | #if !defined(sun) | |||
| 275 | /* Fallback to platform default frame buffer driver */ | |||
| 276 | if (i < (nmatches - 1)) { | |||
| 277 | #if !defined(__linux__) && defined(__sparc__) | |||
| 278 | matches[i++] = xnfstrdup("wsfb")XNFstrdup("wsfb"); | |||
| 279 | #else | |||
| 280 | matches[i++] = xnfstrdup("fbdev")XNFstrdup("fbdev"); | |||
| 281 | #endif | |||
| 282 | } | |||
| 283 | #endif /* !sun */ | |||
| 284 | ||||
| 285 | /* Fallback to platform default hardware */ | |||
| 286 | if (i < (nmatches - 1)) { | |||
| 287 | #if defined(__i386__) || defined(__amd64__1) || defined(__hurd__) | |||
| 288 | matches[i++] = xnfstrdup("vesa")XNFstrdup("vesa"); | |||
| 289 | #elif defined(__sparc__) && !defined(sun) | |||
| 290 | matches[i++] = xnfstrdup("sunffb")XNFstrdup("sunffb"); | |||
| 291 | #endif | |||
| 292 | } | |||
| 293 | } | |||
| 294 | ||||
| 295 | /* copy a screen section and enter the desired driver | |||
| 296 | * and insert it at i in the list of screens */ | |||
| 297 | static Bool | |||
| 298 | copyScreen(confScreenPtr oscreen, GDevPtr odev, int i, char *driver) | |||
| 299 | { | |||
| 300 | confScreenPtr nscreen; | |||
| 301 | GDevPtr cptr = NULL((void*)0); | |||
| 302 | char *identifier; | |||
| 303 | ||||
| 304 | nscreen = malloc(sizeof(confScreenRec)); | |||
| 305 | if (!nscreen) | |||
| 306 | return FALSE0; | |||
| 307 | memcpy(nscreen, oscreen, sizeof(confScreenRec))__builtin___memcpy_chk (nscreen, oscreen, sizeof(confScreenRec ), __builtin_object_size (nscreen, 0)); | |||
| 308 | ||||
| 309 | cptr = malloc(sizeof(GDevRec)); | |||
| 310 | if (!cptr) { | |||
| 311 | free(nscreen); | |||
| 312 | return FALSE0; | |||
| 313 | } | |||
| 314 | memcpy(cptr, odev, sizeof(GDevRec))__builtin___memcpy_chk (cptr, odev, sizeof(GDevRec), __builtin_object_size (cptr, 0)); | |||
| 315 | ||||
| 316 | if (asprintf(&identifier, "Autoconfigured Video Device %s", driver) | |||
| 317 | == -1) { | |||
| 318 | free(cptr); | |||
| 319 | free(nscreen); | |||
| 320 | return FALSE0; | |||
| 321 | } | |||
| 322 | cptr->driver = driver; | |||
| 323 | cptr->identifier = identifier; | |||
| 324 | ||||
| 325 | xf86ConfigLayout.screens[i].screen = nscreen; | |||
| 326 | ||||
| 327 | /* now associate the new driver entry with the new screen entry */ | |||
| 328 | xf86ConfigLayout.screens[i].screen->device = cptr; | |||
| 329 | cptr->myScreenSection = xf86ConfigLayout.screens[i].screen; | |||
| 330 | ||||
| 331 | return TRUE1; | |||
| 332 | } | |||
| 333 | ||||
| 334 | GDevPtr | |||
| 335 | autoConfigDevice(GDevPtr preconf_device) | |||
| 336 | { | |||
| 337 | GDevPtr ptr = NULL((void*)0); | |||
| 338 | char *matches[20]; /* If we have more than 20 drivers we're in trouble */ | |||
| 339 | int num_matches = 0, num_screens = 0, i; | |||
| 340 | screenLayoutPtr slp; | |||
| 341 | ||||
| 342 | if (!xf86configptr) { | |||
| ||||
| 343 | return NULL((void*)0); | |||
| 344 | } | |||
| 345 | ||||
| 346 | /* If there's a configured section with no driver chosen, use it */ | |||
| 347 | if (preconf_device) { | |||
| 348 | ptr = preconf_device; | |||
| 349 | } | |||
| 350 | else { | |||
| 351 | ptr = calloc(1, sizeof(GDevRec)); | |||
| 352 | if (!ptr) { | |||
| 353 | return NULL((void*)0); | |||
| 354 | } | |||
| 355 | ptr->chipID = -1; | |||
| 356 | ptr->chipRev = -1; | |||
| 357 | ptr->irq = -1; | |||
| 358 | ||||
| 359 | ptr->active = TRUE1; | |||
| 360 | ptr->claimed = FALSE0; | |||
| 361 | ptr->identifier = "Autoconfigured Video Device"; | |||
| 362 | ptr->driver = NULL((void*)0); | |||
| 363 | } | |||
| 364 | if (!ptr->driver) { | |||
| 365 | /* get all possible video drivers and count them */ | |||
| 366 | listPossibleVideoDrivers(matches, 20); | |||
| 367 | for (; matches[num_matches]; num_matches++) { | |||
| 368 | xf86Msg(X_DEFAULT, "Matched %s as autoconfigured driver %d\n", | |||
| 369 | matches[num_matches], num_matches); | |||
| 370 | } | |||
| 371 | ||||
| 372 | slp = xf86ConfigLayout.screens; | |||
| 373 | if (slp) { | |||
| 374 | /* count the number of screens and make space for | |||
| 375 | * a new screen for each additional possible driver | |||
| 376 | * minus one for the already existing first one | |||
| 377 | * plus one for the terminating NULL */ | |||
| 378 | for (; slp[num_screens].screen; num_screens++); | |||
| 379 | xf86ConfigLayout.screens = xnfcalloc(num_screens + num_matches,XNFcallocarray((num_screens + num_matches), (sizeof(screenLayoutRec ))) | |||
| 380 | sizeof(screenLayoutRec))XNFcallocarray((num_screens + num_matches), (sizeof(screenLayoutRec ))); | |||
| 381 | xf86ConfigLayout.screens[0] = slp[0]; | |||
| 382 | ||||
| 383 | /* do the first match and set that for the original first screen */ | |||
| 384 | ptr->driver = matches[0]; | |||
| 385 | if (!xf86ConfigLayout.screens[0].screen->device) { | |||
| ||||
| 386 | xf86ConfigLayout.screens[0].screen->device = ptr; | |||
| 387 | ptr->myScreenSection = xf86ConfigLayout.screens[0].screen; | |||
| 388 | } | |||
| 389 | ||||
| 390 | /* for each other driver found, copy the first screen, insert it | |||
| 391 | * into the list of screens and set the driver */ | |||
| 392 | i = 0; | |||
| 393 | while (i++ < num_matches) { | |||
| 394 | if (!copyScreen(slp[0].screen, ptr, i, matches[i])) | |||
| 395 | return NULL((void*)0); | |||
| 396 | } | |||
| 397 | ||||
| 398 | /* shift the rest of the original screen list | |||
| 399 | * to the end of the current screen list | |||
| 400 | * | |||
| 401 | * TODO Handle rest of multiple screen sections */ | |||
| 402 | for (i = 1; i < num_screens; i++) { | |||
| 403 | xf86ConfigLayout.screens[i + num_matches] = slp[i]; | |||
| 404 | } | |||
| 405 | xf86ConfigLayout.screens[num_screens + num_matches - 1].screen = | |||
| 406 | NULL((void*)0); | |||
| 407 | free(slp); | |||
| 408 | } | |||
| 409 | else { | |||
| 410 | /* layout does not have any screens, not much to do */ | |||
| 411 | ptr->driver = matches[0]; | |||
| 412 | for (i = 1; matches[i]; i++) { | |||
| 413 | if (matches[i] != matches[0]) { | |||
| 414 | free(matches[i]); | |||
| 415 | } | |||
| 416 | } | |||
| 417 | } | |||
| 418 | } | |||
| 419 | ||||
| 420 | xf86Msg(X_DEFAULT, "Assigned the driver to the xf86ConfigLayout\n"); | |||
| 421 | ||||
| 422 | return ptr; | |||
| 423 | } |