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authorAl Viro <viro@zeniv.linux.org.uk>2009-08-09 00:52:35 +0400
committerAl Viro <viro@zeniv.linux.org.uk>2009-12-16 12:16:42 -0500
commit2c48b9c45579a9b5e3e74694eebf3d2451f3dbd3 (patch)
treececbf786ae0650368a8136bdd90910e05d9b95c3 /fs/anon_inodes.c
parenta95161aaa801c18c52b2e7cf3d6b4b141c00a20a (diff)
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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/anon_inodes.c')
-rw-r--r--fs/anon_inodes.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/fs/anon_inodes.c b/fs/anon_inodes.c
index 2ca7a7cafdb..94f5110c465 100644
--- a/fs/anon_inodes.c
+++ b/fs/anon_inodes.c
@@ -88,7 +88,7 @@ struct file *anon_inode_getfile(const char *name,
void *priv, int flags)
{
struct qstr this;
- struct dentry *dentry;
+ struct path path;
struct file *file;
int error;
@@ -106,10 +106,11 @@ struct file *anon_inode_getfile(const char *name,
this.name = name;
this.len = strlen(name);
this.hash = 0;
- dentry = d_alloc(anon_inode_mnt->mnt_sb->s_root, &this);
- if (!dentry)
+ path.dentry = d_alloc(anon_inode_mnt->mnt_sb->s_root, &this);
+ if (!path.dentry)
goto err_module;
+ path.mnt = mntget(anon_inode_mnt);
/*
* We know the anon_inode inode count is always greater than zero,
* so we can avoid doing an igrab() and we can use an open-coded
@@ -117,14 +118,13 @@ struct file *anon_inode_getfile(const char *name,
*/
atomic_inc(&anon_inode_inode->i_count);
- dentry->d_op = &anon_inodefs_dentry_operations;
+ path.dentry->d_op = &anon_inodefs_dentry_operations;
/* Do not publish this dentry inside the global dentry hash table */
- dentry->d_flags &= ~DCACHE_UNHASHED;
- d_instantiate(dentry, anon_inode_inode);
+ path.dentry->d_flags &= ~DCACHE_UNHASHED;
+ d_instantiate(path.dentry, anon_inode_inode);
error = -ENFILE;
- file = alloc_file(anon_inode_mnt, dentry,
- FMODE_READ | FMODE_WRITE, fops);
+ file = alloc_file(&path, FMODE_READ | FMODE_WRITE, fops);
if (!file)
goto err_dput;
file->f_mapping = anon_inode_inode->i_mapping;
@@ -137,7 +137,7 @@ struct file *anon_inode_getfile(const char *name,
return file;
err_dput:
- dput(dentry);
+ path_put(&path);
err_module:
module_put(fops->owner);
return ERR_PTR(error);