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-rw-r--r--ipc/shm.c13
1 files changed, 5 insertions, 8 deletions
diff --git a/ipc/shm.c b/ipc/shm.c
index b8884c288ecc..5fc5cf50cf1b 100644
--- a/ipc/shm.c
+++ b/ipc/shm.c
@@ -907,7 +907,7 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr)
goto out_unlock;
path.dentry = dget(shp->shm_file->f_path.dentry);
- path.mnt = mntget(shp->shm_file->f_path.mnt);
+ path.mnt = shp->shm_file->f_path.mnt;
shp->shm_nattch++;
size = i_size_read(path.dentry->d_inode);
shm_unlock(shp);
@@ -915,18 +915,16 @@ long do_shmat(int shmid, char __user *shmaddr, int shmflg, ulong *raddr)
err = -ENOMEM;
sfd = kzalloc(sizeof(*sfd), GFP_KERNEL);
if (!sfd)
- goto out_put_path;
+ goto out_put_dentry;
err = -ENOMEM;
- file = get_empty_filp();
+
+ file = alloc_file(path.mnt, path.dentry, f_mode, &shm_file_operations);
if (!file)
goto out_free;
- file->f_op = &shm_file_operations;
file->private_data = sfd;
- file->f_path = path;
file->f_mapping = shp->shm_file->f_mapping;
- file->f_mode = f_mode;
sfd->id = shp->id;
sfd->ns = get_ipc_ns(ns);
sfd->file = shp->shm_file;
@@ -977,9 +975,8 @@ out_unlock:
out_free:
kfree(sfd);
-out_put_path:
+out_put_dentry:
dput(path.dentry);
- mntput(path.mnt);
goto out_nattch;
}

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