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6b1dc2bd LP |
1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | /*** | |
4 | This file is part of systemd. | |
5 | ||
6 | Copyright 2012 Lennart Poettering | |
7 | ||
8 | systemd is free software; you can redistribute it and/or modify it | |
9 | under the terms of the GNU Lesser General Public License as published by | |
10 | the Free Software Foundation; either version 2.1 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | systemd is distributed in the hope that it will be useful, but | |
14 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 | Lesser General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU Lesser General Public License | |
19 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
20 | ***/ | |
21 | ||
22 | #include <stdio.h> | |
23 | #include <mntent.h> | |
24 | #include <errno.h> | |
25 | #include <string.h> | |
26 | #include <unistd.h> | |
27 | ||
28 | #include "log.h" | |
29 | #include "util.h" | |
30 | #include "unit-name.h" | |
31 | #include "path-util.h" | |
32 | #include "mount-setup.h" | |
33 | #include "special.h" | |
34 | #include "mkdir.h" | |
a5c32cff | 35 | #include "fileio.h" |
e48fdd84 | 36 | #include "generator.h" |
059cb385 | 37 | #include "strv.h" |
689aede8 | 38 | #include "virt.h" |
6b1dc2bd LP |
39 | |
40 | static const char *arg_dest = "/tmp"; | |
e48fdd84 | 41 | static bool arg_fstab_enabled = true; |
6db615c1 LP |
42 | static char *arg_root_what = NULL; |
43 | static char *arg_root_fstype = NULL; | |
44 | static char *arg_root_options = NULL; | |
45 | static int arg_root_rw = -1; | |
6b1dc2bd | 46 | |
29686440 | 47 | |
6b1dc2bd LP |
48 | static int mount_find_pri(struct mntent *me, int *ret) { |
49 | char *end, *pri; | |
50 | unsigned long r; | |
51 | ||
52 | assert(me); | |
53 | assert(ret); | |
54 | ||
55 | pri = hasmntopt(me, "pri"); | |
56 | if (!pri) | |
57 | return 0; | |
58 | ||
59 | pri += 4; | |
60 | ||
61 | errno = 0; | |
62 | r = strtoul(pri, &end, 10); | |
8333c77e | 63 | if (errno > 0) |
6b1dc2bd LP |
64 | return -errno; |
65 | ||
66 | if (end == pri || (*end != ',' && *end != 0)) | |
67 | return -EINVAL; | |
68 | ||
69 | *ret = (int) r; | |
70 | return 1; | |
71 | } | |
72 | ||
73 | static int add_swap(const char *what, struct mntent *me) { | |
1dc2ced4 | 74 | _cleanup_free_ char *name = NULL, *unit = NULL, *lnk = NULL; |
7fd1b19b | 75 | _cleanup_fclose_ FILE *f = NULL; |
4e82fe52 | 76 | bool noauto; |
6b1dc2bd LP |
77 | int r, pri = -1; |
78 | ||
79 | assert(what); | |
80 | assert(me); | |
81 | ||
689aede8 LP |
82 | if (detect_container(NULL) > 0) { |
83 | log_info("Running in a container, ignoring fstab swap entry for %s.", what); | |
84 | return 0; | |
85 | } | |
86 | ||
6b1dc2bd LP |
87 | r = mount_find_pri(me, &pri); |
88 | if (r < 0) { | |
89 | log_error("Failed to parse priority"); | |
90 | return pri; | |
91 | } | |
92 | ||
4e82fe52 TG |
93 | noauto = !!hasmntopt(me, "noauto"); |
94 | ||
6b1dc2bd | 95 | name = unit_name_from_path(what, ".swap"); |
d0aa9ce5 ZJS |
96 | if (!name) |
97 | return log_oom(); | |
6b1dc2bd | 98 | |
b7def684 | 99 | unit = strjoin(arg_dest, "/", name, NULL); |
d0aa9ce5 ZJS |
100 | if (!unit) |
101 | return log_oom(); | |
6b1dc2bd LP |
102 | |
103 | f = fopen(unit, "wxe"); | |
104 | if (!f) { | |
67ab5f76 TG |
105 | if (errno == EEXIST) |
106 | log_error("Failed to create swap unit file %s, as it already exists. Duplicate entry in /etc/fstab?", unit); | |
107 | else | |
108 | log_error("Failed to create unit file %s: %m", unit); | |
d0aa9ce5 | 109 | return -errno; |
6b1dc2bd LP |
110 | } |
111 | ||
6b1dc2bd | 112 | fprintf(f, |
64347fc2 TG |
113 | "# Automatically generated by systemd-fstab-generator\n\n" |
114 | "[Unit]\n" | |
c3834f9b LP |
115 | "SourcePath=/etc/fstab\n" |
116 | "Documentation=man:fstab(5) man:systemd-fstab-generator(8)\n\n" | |
6b1dc2bd LP |
117 | "[Swap]\n" |
118 | "What=%s\n", | |
119 | what); | |
120 | ||
121 | if (pri >= 0) | |
122 | fprintf(f, | |
123 | "Priority=%i\n", | |
124 | pri); | |
125 | ||
126 | fflush(f); | |
127 | if (ferror(f)) { | |
40b8acd0 | 128 | log_error("Failed to write unit file %s: %m", unit); |
d0aa9ce5 | 129 | return -errno; |
6b1dc2bd LP |
130 | } |
131 | ||
b3208b66 ZJS |
132 | /* use what as where, to have a nicer error message */ |
133 | r = generator_write_timeouts(arg_dest, what, what, me->mnt_opts, NULL); | |
134 | if (r < 0) | |
135 | return r; | |
136 | ||
4e82fe52 TG |
137 | if (!noauto) { |
138 | lnk = strjoin(arg_dest, "/" SPECIAL_SWAP_TARGET ".wants/", name, NULL); | |
139 | if (!lnk) | |
140 | return log_oom(); | |
141 | ||
142 | mkdir_parents_label(lnk, 0755); | |
143 | if (symlink(unit, lnk) < 0) { | |
144 | log_error("Failed to create symlink %s: %m", lnk); | |
145 | return -errno; | |
146 | } | |
147 | } | |
148 | ||
d0aa9ce5 | 149 | return 0; |
6b1dc2bd LP |
150 | } |
151 | ||
6b1dc2bd LP |
152 | static bool mount_is_network(struct mntent *me) { |
153 | assert(me); | |
154 | ||
155 | return | |
156 | hasmntopt(me, "_netdev") || | |
157 | fstype_is_network(me->mnt_type); | |
158 | } | |
159 | ||
3d22d1ab TG |
160 | static bool mount_in_initrd(struct mntent *me) { |
161 | assert(me); | |
162 | ||
163 | return | |
164 | hasmntopt(me, "x-initrd.mount") || | |
165 | streq(me->mnt_dir, "/usr"); | |
166 | } | |
167 | ||
e8d2f6cd LP |
168 | static int add_mount( |
169 | const char *what, | |
170 | const char *where, | |
6db615c1 | 171 | const char *fstype, |
e8d2f6cd LP |
172 | const char *opts, |
173 | int passno, | |
174 | bool noauto, | |
175 | bool nofail, | |
176 | bool automount, | |
e8d2f6cd | 177 | const char *post, |
e8d2f6cd | 178 | const char *source) { |
e48fdd84 | 179 | |
7fd1b19b | 180 | _cleanup_free_ char |
1dc2ced4 | 181 | *name = NULL, *unit = NULL, *lnk = NULL, |
29686440 ZJS |
182 | *automount_name = NULL, *automount_unit = NULL, |
183 | *filtered = NULL; | |
7fd1b19b | 184 | _cleanup_fclose_ FILE *f = NULL; |
94192cda | 185 | int r; |
6b1dc2bd LP |
186 | |
187 | assert(what); | |
188 | assert(where); | |
5e398e54 TG |
189 | assert(opts); |
190 | assert(source); | |
6b1dc2bd | 191 | |
6db615c1 | 192 | if (streq_ptr(fstype, "autofs")) |
6b1dc2bd LP |
193 | return 0; |
194 | ||
195 | if (!is_path(where)) { | |
196 | log_warning("Mount point %s is not a valid path, ignoring.", where); | |
197 | return 0; | |
198 | } | |
199 | ||
200 | if (mount_point_is_api(where) || | |
201 | mount_point_ignore(where)) | |
202 | return 0; | |
203 | ||
e48fdd84 | 204 | if (path_equal(where, "/")) { |
5ecdcf41 | 205 | /* The root disk is not an option */ |
e48fdd84 LP |
206 | automount = false; |
207 | noauto = false; | |
208 | nofail = false; | |
209 | } | |
210 | ||
6b1dc2bd | 211 | name = unit_name_from_path(where, ".mount"); |
d0aa9ce5 ZJS |
212 | if (!name) |
213 | return log_oom(); | |
6b1dc2bd | 214 | |
b7def684 | 215 | unit = strjoin(arg_dest, "/", name, NULL); |
d0aa9ce5 ZJS |
216 | if (!unit) |
217 | return log_oom(); | |
6b1dc2bd LP |
218 | |
219 | f = fopen(unit, "wxe"); | |
220 | if (!f) { | |
67ab5f76 TG |
221 | if (errno == EEXIST) |
222 | log_error("Failed to create mount unit file %s, as it already exists. Duplicate entry in /etc/fstab?", unit); | |
223 | else | |
224 | log_error("Failed to create unit file %s: %m", unit); | |
d0aa9ce5 | 225 | return -errno; |
6b1dc2bd LP |
226 | } |
227 | ||
5e398e54 | 228 | fprintf(f, |
c3834f9b LP |
229 | "# Automatically generated by systemd-fstab-generator\n\n" |
230 | "[Unit]\n" | |
231 | "SourcePath=%s\n" | |
232 | "Documentation=man:fstab(5) man:systemd-fstab-generator(8)\n", | |
233 | source); | |
6b1dc2bd | 234 | |
700e07ff | 235 | if (post && !noauto && !nofail && !automount) |
5ecdcf41 | 236 | fprintf(f, "Before=%s\n", post); |
6b1dc2bd | 237 | |
e48fdd84 | 238 | if (passno != 0) { |
6db615c1 | 239 | r = generator_write_fsck_deps(f, arg_dest, what, where, fstype); |
e48fdd84 LP |
240 | if (r < 0) |
241 | return r; | |
242 | } | |
64e70e4b | 243 | |
6b1dc2bd LP |
244 | fprintf(f, |
245 | "\n" | |
246 | "[Mount]\n" | |
247 | "What=%s\n" | |
6db615c1 | 248 | "Where=%s\n", |
6b1dc2bd | 249 | what, |
6db615c1 LP |
250 | where); |
251 | ||
252 | if (!isempty(fstype) && !streq(fstype, "auto")) | |
253 | fprintf(f, "Type=%s\n", fstype); | |
6b1dc2bd | 254 | |
29686440 ZJS |
255 | r = generator_write_timeouts(arg_dest, what, where, opts, &filtered); |
256 | if (r < 0) | |
257 | return r; | |
258 | ||
259 | if (!isempty(filtered) && !streq(filtered, "defaults")) | |
260 | fprintf(f, "Options=%s\n", filtered); | |
5e398e54 | 261 | |
6b1dc2bd LP |
262 | fflush(f); |
263 | if (ferror(f)) { | |
40b8acd0 | 264 | log_error("Failed to write unit file %s: %m", unit); |
d0aa9ce5 | 265 | return -errno; |
6b1dc2bd LP |
266 | } |
267 | ||
5ecdcf41 LP |
268 | if (!noauto && post) { |
269 | lnk = strjoin(arg_dest, "/", post, nofail || automount ? ".wants/" : ".requires/", name, NULL); | |
270 | if (!lnk) | |
271 | return log_oom(); | |
272 | ||
273 | mkdir_parents_label(lnk, 0755); | |
274 | if (symlink(unit, lnk) < 0) { | |
275 | log_error("Failed to create symlink %s: %m", lnk); | |
276 | return -errno; | |
6b1dc2bd | 277 | } |
6b1dc2bd LP |
278 | } |
279 | ||
e48fdd84 | 280 | if (automount) { |
6b1dc2bd | 281 | automount_name = unit_name_from_path(where, ".automount"); |
01264ad1 | 282 | if (!automount_name) |
d0aa9ce5 | 283 | return log_oom(); |
6b1dc2bd | 284 | |
b7def684 | 285 | automount_unit = strjoin(arg_dest, "/", automount_name, NULL); |
d0aa9ce5 ZJS |
286 | if (!automount_unit) |
287 | return log_oom(); | |
6b1dc2bd LP |
288 | |
289 | fclose(f); | |
290 | f = fopen(automount_unit, "wxe"); | |
291 | if (!f) { | |
40b8acd0 | 292 | log_error("Failed to create unit file %s: %m", automount_unit); |
d0aa9ce5 | 293 | return -errno; |
6b1dc2bd LP |
294 | } |
295 | ||
296 | fprintf(f, | |
297 | "# Automatically generated by systemd-fstab-generator\n\n" | |
298 | "[Unit]\n" | |
c3834f9b LP |
299 | "SourcePath=%s\n" |
300 | "Documentation=man:fstab(5) man:systemd-fstab-generator(8)\n", | |
700e07ff HH |
301 | source); |
302 | ||
303 | if (post) | |
304 | fprintf(f, | |
e48fdd84 | 305 | "Before=%s\n", |
700e07ff HH |
306 | post); |
307 | ||
308 | fprintf(f, | |
6b1dc2bd LP |
309 | "[Automount]\n" |
310 | "Where=%s\n", | |
6b1dc2bd LP |
311 | where); |
312 | ||
313 | fflush(f); | |
314 | if (ferror(f)) { | |
40b8acd0 | 315 | log_error("Failed to write unit file %s: %m", automount_unit); |
d0aa9ce5 | 316 | return -errno; |
6b1dc2bd LP |
317 | } |
318 | ||
319 | free(lnk); | |
b7def684 | 320 | lnk = strjoin(arg_dest, "/", post, nofail ? ".wants/" : ".requires/", automount_name, NULL); |
d0aa9ce5 ZJS |
321 | if (!lnk) |
322 | return log_oom(); | |
6b1dc2bd | 323 | |
d2e54fae | 324 | mkdir_parents_label(lnk, 0755); |
6b1dc2bd | 325 | if (symlink(automount_unit, lnk) < 0) { |
40b8acd0 | 326 | log_error("Failed to create symlink %s: %m", lnk); |
d0aa9ce5 | 327 | return -errno; |
6b1dc2bd LP |
328 | } |
329 | } | |
330 | ||
d0aa9ce5 | 331 | return 0; |
6b1dc2bd LP |
332 | } |
333 | ||
e48fdd84 | 334 | static int parse_fstab(bool initrd) { |
6db615c1 | 335 | _cleanup_endmntent_ FILE *f = NULL; |
e48fdd84 | 336 | const char *fstab_path; |
6b1dc2bd | 337 | struct mntent *me; |
e48fdd84 | 338 | int r = 0; |
6b1dc2bd | 339 | |
e48fdd84 LP |
340 | fstab_path = initrd ? "/sysroot/etc/fstab" : "/etc/fstab"; |
341 | f = setmntent(fstab_path, "re"); | |
6b1dc2bd LP |
342 | if (!f) { |
343 | if (errno == ENOENT) | |
344 | return 0; | |
345 | ||
e48fdd84 | 346 | log_error("Failed to open %s: %m", fstab_path); |
6b1dc2bd LP |
347 | return -errno; |
348 | } | |
349 | ||
350 | while ((me = getmntent(f))) { | |
7fd1b19b | 351 | _cleanup_free_ char *where = NULL, *what = NULL; |
6b1dc2bd LP |
352 | int k; |
353 | ||
3d22d1ab TG |
354 | if (initrd && !mount_in_initrd(me)) |
355 | continue; | |
356 | ||
6b1dc2bd | 357 | what = fstab_node_to_udev_node(me->mnt_fsname); |
e48fdd84 LP |
358 | if (!what) |
359 | return log_oom(); | |
360 | ||
689aede8 LP |
361 | if (detect_container(NULL) > 0 && is_device_path(what)) { |
362 | log_info("Running in a container, ignoring fstab device entry for %s.", what); | |
363 | continue; | |
364 | } | |
365 | ||
e48fdd84 LP |
366 | where = initrd ? strappend("/sysroot/", me->mnt_dir) : strdup(me->mnt_dir); |
367 | if (!where) | |
5862d652 | 368 | return log_oom(); |
6b1dc2bd | 369 | |
ec6ceb18 | 370 | if (is_path(where)) |
6b1dc2bd LP |
371 | path_kill_slashes(where); |
372 | ||
373 | log_debug("Found entry what=%s where=%s type=%s", what, where, me->mnt_type); | |
374 | ||
375 | if (streq(me->mnt_type, "swap")) | |
376 | k = add_swap(what, me); | |
5e398e54 | 377 | else { |
5073f89f | 378 | bool noauto, nofail, automount; |
80c3b720 | 379 | const char *post; |
5e398e54 TG |
380 | |
381 | noauto = !!hasmntopt(me, "noauto"); | |
382 | nofail = !!hasmntopt(me, "nofail"); | |
383 | automount = | |
384 | hasmntopt(me, "comment=systemd.automount") || | |
385 | hasmntopt(me, "x-systemd.automount"); | |
700e07ff | 386 | |
e48fdd84 | 387 | if (initrd) |
700e07ff | 388 | post = SPECIAL_INITRD_FS_TARGET; |
e48fdd84 | 389 | else if (mount_in_initrd(me)) |
9e5f0f92 | 390 | post = SPECIAL_INITRD_ROOT_FS_TARGET; |
e48fdd84 | 391 | else if (mount_is_network(me)) |
0c17fbce | 392 | post = SPECIAL_REMOTE_FS_TARGET; |
e48fdd84 | 393 | else |
0c17fbce | 394 | post = SPECIAL_LOCAL_FS_TARGET; |
5e398e54 | 395 | |
6db615c1 LP |
396 | k = add_mount(what, |
397 | where, | |
398 | me->mnt_type, | |
399 | me->mnt_opts, | |
400 | me->mnt_passno, | |
401 | noauto, | |
402 | nofail, | |
403 | automount, | |
404 | post, | |
405 | fstab_path); | |
5e398e54 | 406 | } |
6b1dc2bd | 407 | |
6b1dc2bd LP |
408 | if (k < 0) |
409 | r = k; | |
410 | } | |
411 | ||
6b1dc2bd LP |
412 | return r; |
413 | } | |
414 | ||
6db615c1 | 415 | static int add_root_mount(void) { |
75a59316 ZJS |
416 | _cleanup_free_ char *what = NULL; |
417 | const char *opts; | |
5e398e54 | 418 | |
6db615c1 | 419 | if (isempty(arg_root_what)) { |
4e5ed9b6 | 420 | log_debug("Could not find a root= entry on the kernel commandline."); |
135b5212 HH |
421 | return 0; |
422 | } | |
5e398e54 | 423 | |
6db615c1 LP |
424 | what = fstab_node_to_udev_node(arg_root_what); |
425 | if (!path_is_absolute(what)) { | |
426 | log_debug("Skipping entry what=%s where=/sysroot type=%s", what, strna(arg_root_fstype)); | |
135b5212 HH |
427 | return 0; |
428 | } | |
5e398e54 | 429 | |
6db615c1 | 430 | if (!arg_root_options) |
75a59316 ZJS |
431 | opts = arg_root_rw > 0 ? "rw" : "ro"; |
432 | else if (arg_root_rw >= 0 || | |
433 | (!mount_test_option(arg_root_options, "ro") && | |
434 | !mount_test_option(arg_root_options, "rw"))) | |
435 | opts = strappenda3(arg_root_options, ",", arg_root_rw > 0 ? "rw" : "ro"); | |
436 | else | |
437 | opts = arg_root_options; | |
5e398e54 | 438 | |
6db615c1 LP |
439 | log_debug("Found entry what=%s where=/sysroot type=%s", what, strna(arg_root_fstype)); |
440 | return add_mount(what, | |
441 | "/sysroot", | |
442 | arg_root_fstype, | |
75a59316 | 443 | opts, |
6db615c1 | 444 | 1, |
5ecdcf41 LP |
445 | false, |
446 | false, | |
6db615c1 LP |
447 | false, |
448 | SPECIAL_INITRD_ROOT_FS_TARGET, | |
449 | "/proc/cmdline"); | |
5e398e54 TG |
450 | } |
451 | ||
059cb385 | 452 | static int parse_proc_cmdline_item(const char *key, const char *value) { |
74df0fca | 453 | int r; |
94734142 | 454 | |
6db615c1 LP |
455 | /* root= and roofstype= may occur more than once, the last |
456 | * instance should take precedence. In the case of multiple | |
457 | * rootflags= the arguments should be concatenated */ | |
458 | ||
059cb385 | 459 | if (STR_IN_SET(key, "fstab", "rd.fstab") && value) { |
e48fdd84 | 460 | |
059cb385 | 461 | r = parse_boolean(value); |
141a79f4 | 462 | if (r < 0) |
059cb385 | 463 | log_warning("Failed to parse fstab switch %s. Ignoring.", value); |
141a79f4 | 464 | else |
e48fdd84 | 465 | arg_fstab_enabled = r; |
94734142 | 466 | |
6db615c1 LP |
467 | } else if (streq(key, "root") && value) { |
468 | ||
469 | free(arg_root_what); | |
470 | arg_root_what = strdup(value); | |
471 | if (!arg_root_what) | |
472 | return log_oom(); | |
473 | ||
474 | } else if (streq(key, "rootfstype") && value) { | |
475 | ||
476 | free(arg_root_fstype); | |
477 | arg_root_fstype = strdup(value); | |
478 | if (!arg_root_fstype) | |
479 | return log_oom(); | |
480 | ||
481 | } else if (streq(key, "rootflags") && value) { | |
482 | char *o; | |
483 | ||
484 | o = arg_root_options ? | |
485 | strjoin(arg_root_options, ",", value, NULL) : | |
486 | strdup(value); | |
487 | if (!o) | |
488 | return log_oom(); | |
489 | ||
490 | free(arg_root_options); | |
491 | arg_root_options = o; | |
492 | ||
493 | } else if (streq(key, "rw") && !value) | |
494 | arg_root_rw = true; | |
495 | else if (streq(key, "ro") && !value) | |
496 | arg_root_rw = false; | |
94734142 | 497 | |
d0aa9ce5 | 498 | return 0; |
94734142 LP |
499 | } |
500 | ||
6b1dc2bd | 501 | int main(int argc, char *argv[]) { |
e48fdd84 | 502 | int r = 0; |
6b1dc2bd | 503 | |
07719a21 LP |
504 | if (argc > 1 && argc != 4) { |
505 | log_error("This program takes three or no arguments."); | |
6b1dc2bd LP |
506 | return EXIT_FAILURE; |
507 | } | |
508 | ||
509 | if (argc > 1) | |
510 | arg_dest = argv[1]; | |
511 | ||
a6903061 | 512 | log_set_target(LOG_TARGET_SAFE); |
6b1dc2bd LP |
513 | log_parse_environment(); |
514 | log_open(); | |
515 | ||
6b1dc2bd LP |
516 | umask(0022); |
517 | ||
059cb385 | 518 | if (parse_proc_cmdline(parse_proc_cmdline_item) < 0) |
94734142 LP |
519 | return EXIT_FAILURE; |
520 | ||
e48fdd84 | 521 | /* Always honour root= in the kernel command line if we are in an initrd */ |
ac4785b0 | 522 | if (in_initrd()) |
6db615c1 | 523 | r = add_root_mount(); |
5e398e54 | 524 | |
e48fdd84 LP |
525 | /* Honour /etc/fstab only when that's enabled */ |
526 | if (arg_fstab_enabled) { | |
527 | int k; | |
ac4785b0 | 528 | |
75a59316 ZJS |
529 | log_debug("Parsing /etc/fstab"); |
530 | ||
e48fdd84 LP |
531 | /* Parse the local /etc/fstab, possibly from the initrd */ |
532 | k = parse_fstab(false); | |
533 | if (k < 0) | |
534 | r = k; | |
ac4785b0 | 535 | |
e48fdd84 LP |
536 | /* If running in the initrd also parse the /etc/fstab from the host */ |
537 | if (in_initrd()) { | |
75a59316 ZJS |
538 | log_debug("Parsing /sysroot/etc/fstab"); |
539 | ||
e48fdd84 LP |
540 | k = parse_fstab(true); |
541 | if (k < 0) | |
542 | r = k; | |
543 | } | |
544 | } | |
6b1dc2bd | 545 | |
126cc760 ZJS |
546 | free(arg_root_what); |
547 | ||
e48fdd84 | 548 | return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS; |
6b1dc2bd | 549 | } |