mirror of https://gitee.com/openkylin/linux.git
[PATCH] knfsd: Fixed handling of lockd fail when adding nfsd socket
Arrgg.. We cannot 'lockd_up' before 'svc_addsock' as we don't know the protocol yet.... So switch it around again and save the name of the created sockets so that it can be closed if lock_up fails. Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
parent
cda9e0cd8a
commit
5680c44632
|
@ -523,11 +523,11 @@ static ssize_t write_ports(struct file *file, char *buf, size_t size)
|
|||
err = nfsd_create_serv();
|
||||
if (!err) {
|
||||
int proto = 0;
|
||||
err = lockd_up(proto);
|
||||
if (!err) {
|
||||
err = svc_addsock(nfsd_serv, fd, buf, &proto);
|
||||
if (err)
|
||||
lockd_down();
|
||||
if (err >= 0) {
|
||||
err = lockd_up(proto);
|
||||
if (err < 0)
|
||||
svc_sock_names(buf+strlen(buf)+1, nfsd_serv, buf);
|
||||
}
|
||||
/* Decrease the count, but don't shutdown the
|
||||
* the service
|
||||
|
@ -536,7 +536,7 @@ static ssize_t write_ports(struct file *file, char *buf, size_t size)
|
|||
nfsd_serv->sv_nrthreads--;
|
||||
unlock_kernel();
|
||||
}
|
||||
return err;
|
||||
return err < 0 ? err : 0;
|
||||
}
|
||||
if (buf[0] == '-') {
|
||||
char *toclose = kstrdup(buf+1, GFP_KERNEL);
|
||||
|
|
|
@ -492,6 +492,9 @@ svc_sock_names(char *buf, struct svc_serv *serv, char *toclose)
|
|||
}
|
||||
spin_unlock(&serv->sv_lock);
|
||||
if (closesk)
|
||||
/* Should unregister with portmap, but you cannot
|
||||
* unregister just one protocol...
|
||||
*/
|
||||
svc_delete_socket(closesk);
|
||||
else if (toclose)
|
||||
return -ENOENT;
|
||||
|
|
Loading…
Reference in New Issue