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Diffstat (limited to 'arch/ia64/ia32/sys_ia32.c')
-rw-r--r--arch/ia64/ia32/sys_ia32.c132
1 files changed, 0 insertions, 132 deletions
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 465116aecb85..bf196cbb3796 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -1210,138 +1210,6 @@ sys32_settimeofday (struct compat_timeval __user *tv, struct timezone __user *tz
1210 return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL); 1210 return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
1211} 1211}
1212 1212
1213struct getdents32_callback {
1214 struct compat_dirent __user *current_dir;
1215 struct compat_dirent __user *previous;
1216 int count;
1217 int error;
1218};
1219
1220struct readdir32_callback {
1221 struct old_linux32_dirent __user * dirent;
1222 int count;
1223};
1224
1225static int
1226filldir32 (void *__buf, const char *name, int namlen, loff_t offset, u64 ino,
1227 unsigned int d_type)
1228{
1229 struct compat_dirent __user * dirent;
1230 struct getdents32_callback * buf = (struct getdents32_callback *) __buf;
1231 int reclen = ROUND_UP(offsetof(struct compat_dirent, d_name) + namlen + 1, 4);
1232 u32 d_ino;
1233
1234 buf->error = -EINVAL; /* only used if we fail.. */
1235 if (reclen > buf->count)
1236 return -EINVAL;
1237 d_ino = ino;
1238 if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
1239 return -EOVERFLOW;
1240 buf->error = -EFAULT; /* only used if we fail.. */
1241 dirent = buf->previous;
1242 if (dirent)
1243 if (put_user(offset, &dirent->d_off))
1244 return -EFAULT;
1245 dirent = buf->current_dir;
1246 buf->previous = dirent;
1247 if (put_user(d_ino, &dirent->d_ino)
1248 || put_user(reclen, &dirent->d_reclen)
1249 || copy_to_user(dirent->d_name, name, namlen)
1250 || put_user(0, dirent->d_name + namlen))
1251 return -EFAULT;
1252 dirent = (struct compat_dirent __user *) ((char __user *) dirent + reclen);
1253 buf->current_dir = dirent;
1254 buf->count -= reclen;
1255 return 0;
1256}
1257
1258asmlinkage long
1259sys32_getdents (unsigned int fd, struct compat_dirent __user *dirent, unsigned int count)
1260{
1261 struct file * file;
1262 struct compat_dirent __user * lastdirent;
1263 struct getdents32_callback buf;
1264 int error;
1265
1266 error = -EFAULT;
1267 if (!access_ok(VERIFY_WRITE, dirent, count))
1268 goto out;
1269
1270 error = -EBADF;
1271 file = fget(fd);
1272 if (!file)
1273 goto out;
1274
1275 buf.current_dir = dirent;
1276 buf.previous = NULL;
1277 buf.count = count;
1278 buf.error = 0;
1279
1280 error = vfs_readdir(file, filldir32, &buf);
1281 if (error < 0)
1282 goto out_putf;
1283 error = buf.error;
1284 lastdirent = buf.previous;
1285 if (lastdirent) {
1286 if (put_user(file->f_pos, &lastdirent->d_off))
1287 error = -EFAULT;
1288 else
1289 error = count - buf.count;
1290 }
1291
1292out_putf:
1293 fput(file);
1294out:
1295 return error;
1296}
1297
1298static int
1299fillonedir32 (void * __buf, const char * name, int namlen, loff_t offset, u64 ino,
1300 unsigned int d_type)
1301{
1302 struct readdir32_callback * buf = (struct readdir32_callback *) __buf;
1303 struct old_linux32_dirent __user * dirent;
1304 u32 d_ino;
1305
1306 if (buf->count)
1307 return -EINVAL;
1308 d_ino = ino;
1309 if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
1310 return -EOVERFLOW;
1311 buf->count++;
1312 dirent = buf->dirent;
1313 if (put_user(d_ino, &dirent->d_ino)
1314 || put_user(offset, &dirent->d_offset)
1315 || put_user(namlen, &dirent->d_namlen)
1316 || copy_to_user(dirent->d_name, name, namlen)
1317 || put_user(0, dirent->d_name + namlen))
1318 return -EFAULT;
1319 return 0;
1320}
1321
1322asmlinkage long
1323sys32_readdir (unsigned int fd, void __user *dirent, unsigned int count)
1324{
1325 int error;
1326 struct file * file;
1327 struct readdir32_callback buf;
1328
1329 error = -EBADF;
1330 file = fget(fd);
1331 if (!file)
1332 goto out;
1333
1334 buf.count = 0;
1335 buf.dirent = dirent;
1336
1337 error = vfs_readdir(file, fillonedir32, &buf);
1338 if (error >= 0)
1339 error = buf.count;
1340 fput(file);
1341out:
1342 return error;
1343}
1344
1345struct sel_arg_struct { 1213struct sel_arg_struct {
1346 unsigned int n; 1214 unsigned int n;
1347 unsigned int inp; 1215 unsigned int inp;