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logind: more robust handling of VT-less systems

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Restore the check that was removed in commit 74afee9c. Its removal
caused a regression on some s390x systems where for whatever reason the
device node /dev/tty0 exists and makes the preceding access() check
pass.
This commit is contained in:
Michal Schmidt 2012-06-15 22:22:24 +02:00
parent 98709151f3
commit cdc564d27f
1 changed files with 6 additions and 0 deletions
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6
src/login/logind.c
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@ -1244,6 +1244,12 @@ static int manager_connect_console(Manager *m) {
m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC); m->console_active_fd = open("/sys/class/tty/tty0/active", O_RDONLY|O_NOCTTY|O_CLOEXEC);
if (m->console_active_fd < 0) { if (m->console_active_fd < 0) {
/* On some systems the device node /dev/tty0 may exist
* even though /sys/class/tty/tty0 does not. */
if (errno == ENOENT)
return 0;
log_error("Failed to open /sys/class/tty/tty0/active: %m"); log_error("Failed to open /sys/class/tty/tty0/active: %m");
return -errno; return -errno;
} }