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One fix for lockd soft lookups in an error path, and one fix for file

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leases on overlayfs.
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Merge tag 'nfsd-4.7-3' of git://linux-nfs.org/~bfields/linux

Pull lockd/locks fixes from Bruce Fields:
 "One fix for lockd soft lookups in an error path, and one fix for file
  leases on overlayfs"

* tag 'nfsd-4.7-3' of git://linux-nfs.org/~bfields/linux:
  locks: use file_inode()
  lockd: unregister notifier blocks if the service fails to come up completely
This commit is contained in:
Linus Torvalds 2016-07-01 15:18:49 -07:00
commit 2728c57fda
2 changed files with 11 additions and 4 deletions
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13
fs/lockd/svc.c
View File

@ -335,12 +335,17 @@ static struct notifier_block lockd_inet6addr_notifier = {
};
#endif
static void lockd_svc_exit_thread(void)
static void lockd_unregister_notifiers(void)
{
unregister_inetaddr_notifier(&lockd_inetaddr_notifier);
#if IS_ENABLED(CONFIG_IPV6)
unregister_inet6addr_notifier(&lockd_inet6addr_notifier);
#endif
}
static void lockd_svc_exit_thread(void)
{
lockd_unregister_notifiers();
svc_exit_thread(nlmsvc_rqst);
}
@ -462,7 +467,7 @@ int lockd_up(struct net *net)
* Note: svc_serv structures have an initial use count of 1,
* so we exit through here on both success and failure.
*/
err_net:
err_put:
svc_destroy(serv);
err_create:
mutex_unlock(&nlmsvc_mutex);
@ -470,7 +475,9 @@ int lockd_up(struct net *net)
err_start:
lockd_down_net(serv, net);
goto err_net;
err_net:
lockd_unregister_notifiers();
goto err_put;
}
EXPORT_SYMBOL_GPL(lockd_up);

2
fs/locks.c
View File

@ -1628,7 +1628,7 @@ generic_add_lease(struct file *filp, long arg, struct file_lock **flp, void **pr
{
struct file_lock *fl, *my_fl = NULL, *lease;
struct dentry *dentry = filp->f_path.dentry;
struct inode *inode = dentry->d_inode;
struct inode *inode = file_inode(filp);
struct file_lock_context *ctx;
bool is_deleg = (*flp)->fl_flags & FL_DELEG;
int error;