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journald: Fix off-by-one error in "Missed X kernel messages" warning

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On receiving a message, "kernel_seqnum" is set to "serial + 1". So
subtracting 1 will cause messages like "Missed 0 kernel messages",
which should be "Missed 1 kernel messages".
This commit is contained in:
Eelco Dolstra
2014-08-06 13:14:51 +02:00
committed by Lennart Poettering
parent 48776bdacd
commit b9c488f600
Notes: Lennart Poettering 2014-08-20 00:09:11 +02:00 
Backport: bugfix
1 changed files with 1 additions and 1 deletions
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src/journal/journald-kmsg.c
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@ -152,7 +152,7 @@ static void dev_kmsg_record(Server *s, char *p, size_t l) {
/* Did we lose any? */
if (serial > *s->kernel_seqnum)
server_driver_message(s, SD_MESSAGE_JOURNAL_MISSED, "Missed %"PRIu64" kernel messages",
serial - *s->kernel_seqnum - 1);
serial - *s->kernel_seqnum);
/* Make sure we never read this one again. Note that
* we always store the next message serial we expect