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smb3: do not display empty interface list 

If server does not support listing interfaces then do not
display empty "Server interfaces" line to avoid confusing users.

Signed-off-by: Steve French <stfrench@microsoft.com>
CC: Aurelien Aptel <aaptel@suse.com>
This commit is contained in:
Steve French 2018-06-14 21:59:31 -05:00
parent bea851b8ba
commit 115d5d288d
1 changed files with 3 additions and 1 deletions
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4
fs/cifs/cifs_debug.c
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@ -333,7 +333,9 @@ static int cifs_debug_data_proc_show(struct seq_file *m, void *v)
spin_unlock(&GlobalMid_Lock);
spin_lock(&ses->iface_lock);
seq_printf(m, "\n\tServer interfaces: %zu\n", ses->iface_count);
if (ses->iface_count)
seq_printf(m, "\n\tServer interfaces: %zu\n",
ses->iface_count);
for (j = 0; j < ses->iface_count; j++) {
seq_printf(m, "\t%d)\n", j);
cifs_dump_iface(m, &ses->iface_list[j]);