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authorAl Viro2009-08-09 00:52:35 +0400
committerAl Viro2009-12-16 12:16:42 -0500
commit2c48b9c45579a9b5e3e74694eebf3d2451f3dbd3 (patch)
treececbf786ae0650368a8136bdd90910e05d9b95c3 /fs/hugetlbfs
parenta95161aaa801c18c52b2e7cf3d6b4b141c00a20a (diff)
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>
Diffstat (limited to 'fs/hugetlbfs')
-rw-r--r--fs/hugetlbfs/inode.c15
1 files changed, 8 insertions, 7 deletions
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 87a1258953b8..6bd41525cd71 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -922,7 +922,8 @@ struct file *hugetlb_file_setup(const char *name, size_t size, int acctflag,
int error = -ENOMEM;
struct file *file;
struct inode *inode;
- struct dentry *dentry, *root;
+ struct path path;
+ struct dentry *root;
struct qstr quick_string;
*user = NULL;
@@ -944,10 +945,11 @@ struct file *hugetlb_file_setup(const char *name, size_t size, int acctflag,
quick_string.name = name;
quick_string.len = strlen(quick_string.name);
quick_string.hash = 0;
- dentry = d_alloc(root, &quick_string);
- if (!dentry)
+ path.dentry = d_alloc(root, &quick_string);
+ if (!path.dentry)
goto out_shm_unlock;
+ path.mnt = mntget(hugetlbfs_vfsmount);
error = -ENOSPC;
inode = hugetlbfs_get_inode(root->d_sb, current_fsuid(),
current_fsgid(), S_IFREG | S_IRWXUGO, 0);
@@ -960,13 +962,12 @@ struct file *hugetlb_file_setup(const char *name, size_t size, int acctflag,
acctflag))
goto out_inode;
- d_instantiate(dentry, inode);
+ d_instantiate(path.dentry, inode);
inode->i_size = size;
inode->i_nlink = 0;
error = -ENFILE;
- file = alloc_file(hugetlbfs_vfsmount, dentry,
- FMODE_WRITE | FMODE_READ,
+ file = alloc_file(&path, FMODE_WRITE | FMODE_READ,
&hugetlbfs_file_operations);
if (!file)
goto out_dentry; /* inode is already attached */
@@ -977,7 +978,7 @@ struct file *hugetlb_file_setup(const char *name, size_t size, int acctflag,
out_inode:
iput(inode);
out_dentry:
- dput(dentry);
+ path_put(&path);
out_shm_unlock:
if (*user) {
user_shm_unlock(size, *user);