switch alloc_file() to passing struct path
... and have the caller grab both mnt and dentry; kill
leak in infiniband, while we are at it.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/ipc/shm.c b/ipc/shm.c
index 11bec62..16e3923 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -878,8 +878,8 @@
if (err)
goto out_unlock;
- path.dentry = dget(shp->shm_file->f_path.dentry);
- path.mnt = shp->shm_file->f_path.mnt;
+ path = shp->shm_file->f_path;
+ path_get(&path);
shp->shm_nattch++;
size = i_size_read(path.dentry->d_inode);
shm_unlock(shp);
@@ -889,8 +889,8 @@
if (!sfd)
goto out_put_dentry;
- file = alloc_file(path.mnt, path.dentry, f_mode,
- is_file_hugepages(shp->shm_file) ?
+ file = alloc_file(&path, f_mode,
+ is_file_hugepages(shp->shm_file) ?
&shm_file_operations_huge :
&shm_file_operations);
if (!file)
@@ -950,7 +950,7 @@
out_free:
kfree(sfd);
out_put_dentry:
- dput(path.dentry);
+ path_put(&path);
goto out_nattch;
}