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afs: Fix afs_cell records to always have a VL server list record

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Fix it such that afs_cell records always have a VL server list record
attached, even if it's a dummy one, so that various checks can be removed.

Signed-off-by: David Howells <dhowells@redhat.com>
This commit is contained in:
David Howells
2019-05-07 15:30:34 +01:00
parent 6b8812fc8e
commit ca1cbbdce9
4 changed files with 24 additions and 23 deletions
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8
fs/afs/proc.c
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@@ -53,7 +53,7 @@ static int afs_proc_cells_show(struct seq_file *m, void *v)
seq_printf(m, "%3u %6lld %2u %s\n",
atomic_read(&cell->usage),
cell->dns_expiry - ktime_get_real_seconds(),
vllist ? vllist->nr_servers : 0,
vllist->nr_servers,
cell->name);
return 0;
}
@@ -296,8 +296,8 @@ static int afs_proc_cell_vlservers_show(struct seq_file *m, void *v)
if (v == SEQ_START_TOKEN) {
seq_printf(m, "# source %s, status %s\n",
dns_record_sources[vllist->source],
dns_lookup_statuses[vllist->status]);
dns_record_sources[vllist ? vllist->source : 0],
dns_lookup_statuses[vllist ? vllist->status : 0]);
return 0;
}
@@ -336,7 +336,7 @@ static void *afs_proc_cell_vlservers_start(struct seq_file *m, loff_t *_pos)
if (pos == 0)
return SEQ_START_TOKEN;
if (!vllist || pos - 1 >= vllist->nr_servers)
if (pos - 1 >= vllist->nr_servers)
return NULL;
return &vllist->servers[pos - 1];