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fstab-util: don't eat up errors in fstab_is_mount_point()

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That way the caller can decide what to do with failures, whether to consider
them or ignore them.
This commit is contained in:
Franck Bui 2017-06-27 09:52:12 +02:00
parent d31ae54818
commit b9088048b1
3 changed files with 14 additions and 6 deletions
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5
src/gpt-auto-generator/gpt-auto-generator.c
View File

@ -435,7 +435,10 @@ static int add_esp(DissectedPartition *p) {
esp = access("/efi/", F_OK) >= 0 ? "/efi" : "/boot";
/* We create an .automount which is not overridden by the .mount from the fstab generator. */
if (fstab_is_mount_point(esp)) {
r = fstab_is_mount_point(esp);
if (r < 0)
return log_error_errno(r, "Failed to parse fstab: %m");
if (r == 0) {
log_debug("%s specified in fstab, ignoring.", esp);
return 0;
}

13
src/shared/fstab-util.c
View File

@ -34,18 +34,23 @@
#include "strv.h"
#include "util.h"
bool fstab_is_mount_point(const char *mount) {
int fstab_is_mount_point(const char *mount) {
_cleanup_endmntent_ FILE *f = NULL;
struct mntent *m;
f = setmntent("/etc/fstab", "re");
if (!f)
return false;
return errno == ENOENT ? false : -errno;
for (;;) {
errno = 0;
m = getmntent(f);
if (!m)
return errno != 0 ? -errno : false;
while ((m = getmntent(f)))
if (path_equal(m->mnt_dir, mount))
return true;
}
return false;
}

2
src/shared/fstab-util.h
View File

@ -24,7 +24,7 @@
#include "macro.h"
bool fstab_is_mount_point(const char *mount);
int fstab_is_mount_point(const char *mount);
int fstab_filter_options(const char *opts, const char *names, const char **namefound, char **value, char **filtered);