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authorLinus Torvalds <torvalds@linux-foundation.org>2016-07-01 15:18:49 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2016-07-01 15:18:49 -0700
commit2728c57fda2c10cb290f1516cab5b170ea2e3f22 (patch)
tree7bdfc18c062501d5fe3b56d35e2660028af4cc5e /fs
parent0d064a7b9c43e79c97cb2372850e12971de23b22 (diff)
parent6343a2120862f7023006c8091ad95c1f16a32077 (diff)
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
Diffstat (limited to 'fs')
-rw-r--r--fs/lockd/svc.c13
-rw-r--r--fs/locks.c2
2 files changed, 11 insertions, 4 deletions
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 154a107cd376..fc4084ef4736 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -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 @@ err_create:
err_start:
lockd_down_net(serv, net);
- goto err_net;
+err_net:
+ lockd_unregister_notifiers();
+ goto err_put;
}
EXPORT_SYMBOL_GPL(lockd_up);
diff --git a/fs/locks.c b/fs/locks.c
index 7c5f91be9b65..ee1b15f6fc13 100644
--- a/fs/locks.c
+++ b/fs/locks.c
@@ -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;