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path: root/fs/9p/vfs_inode_dotl.c
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Diffstat (limited to 'fs/9p/vfs_inode_dotl.c')
-rw-r--r--fs/9p/vfs_inode_dotl.c58
1 files changed, 18 insertions, 40 deletions
diff --git a/fs/9p/vfs_inode_dotl.c b/fs/9p/vfs_inode_dotl.c
index 09b124fe349c..5cfa4b4f070f 100644
--- a/fs/9p/vfs_inode_dotl.c
+++ b/fs/9p/vfs_inode_dotl.c
@@ -238,7 +238,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
struct inode *inode;
struct p9_fid *fid = NULL;
struct v9fs_inode *v9inode;
- struct p9_fid *dfid, *ofid, *inode_fid;
+ struct p9_fid *dfid = NULL, *ofid = NULL, *inode_fid = NULL;
struct v9fs_session_info *v9ses;
struct posix_acl *pacl = NULL, *dacl = NULL;
struct dentry *res = NULL;
@@ -274,7 +274,6 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
if (IS_ERR(ofid)) {
err = PTR_ERR(ofid);
p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
- p9_fid_put(dfid);
goto out;
}
@@ -286,38 +285,34 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
if (err) {
p9_debug(P9_DEBUG_VFS, "Failed to get acl values in creat %d\n",
err);
- p9_fid_put(dfid);
- goto error;
+ goto out;
}
err = p9_client_create_dotl(ofid, name, v9fs_open_to_dotl_flags(flags),
mode, gid, &qid);
if (err < 0) {
p9_debug(P9_DEBUG_VFS, "p9_client_open_dotl failed in creat %d\n",
err);
- p9_fid_put(dfid);
- goto error;
+ goto out;
}
v9fs_invalidate_inode_attr(dir);
/* instantiate inode and assign the unopened fid to the dentry */
fid = p9_client_walk(dfid, 1, &name, 1);
- p9_fid_put(dfid);
if (IS_ERR(fid)) {
err = PTR_ERR(fid);
p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n", err);
- fid = NULL;
- goto error;
+ goto out;
}
inode = v9fs_get_new_inode_from_fid(v9ses, fid, dir->i_sb);
if (IS_ERR(inode)) {
err = PTR_ERR(inode);
p9_debug(P9_DEBUG_VFS, "inode creation failed %d\n", err);
- goto error;
+ goto out;
}
/* Now set the ACL based on the default value */
v9fs_set_create_acl(inode, fid, dacl, pacl);
- v9fs_fid_add(dentry, fid);
+ v9fs_fid_add(dentry, &fid);
d_instantiate(dentry, inode);
v9inode = V9FS_I(inode);
@@ -336,7 +331,7 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
if (IS_ERR(inode_fid)) {
err = PTR_ERR(inode_fid);
mutex_unlock(&v9inode->v_mutex);
- goto err_clunk_old_fid;
+ goto out;
}
v9inode->writeback_fid = (void *) inode_fid;
}
@@ -344,25 +339,20 @@ v9fs_vfs_atomic_open_dotl(struct inode *dir, struct dentry *dentry,
/* Since we are opening a file, assign the open fid to the file */
err = finish_open(file, dentry, generic_file_open);
if (err)
- goto err_clunk_old_fid;
+ goto out;
file->private_data = ofid;
if (v9ses->cache == CACHE_LOOSE || v9ses->cache == CACHE_FSCACHE)
fscache_use_cookie(v9fs_inode_cookie(v9inode),
file->f_mode & FMODE_WRITE);
- v9fs_open_fid_add(inode, ofid);
+ v9fs_open_fid_add(inode, &ofid);
file->f_mode |= FMODE_CREATED;
out:
+ p9_fid_put(dfid);
+ p9_fid_put(ofid);
+ p9_fid_put(fid);
v9fs_put_acl(dacl, pacl);
dput(res);
return err;
-
-error:
- if (fid)
- p9_fid_put(fid);
-err_clunk_old_fid:
- if (ofid)
- p9_fid_put(ofid);
- goto out;
}
/**
@@ -400,7 +390,6 @@ static int v9fs_vfs_mkdir_dotl(struct user_namespace *mnt_userns,
if (IS_ERR(dfid)) {
err = PTR_ERR(dfid);
p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
- dfid = NULL;
goto error;
}
@@ -422,7 +411,6 @@ static int v9fs_vfs_mkdir_dotl(struct user_namespace *mnt_userns,
err = PTR_ERR(fid);
p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
err);
- fid = NULL;
goto error;
}
@@ -435,10 +423,9 @@ static int v9fs_vfs_mkdir_dotl(struct user_namespace *mnt_userns,
err);
goto error;
}
- v9fs_fid_add(dentry, fid);
+ v9fs_fid_add(dentry, &fid);
v9fs_set_create_acl(inode, fid, dacl, pacl);
d_instantiate(dentry, inode);
- fid = NULL;
err = 0;
} else {
/*
@@ -457,8 +444,7 @@ static int v9fs_vfs_mkdir_dotl(struct user_namespace *mnt_userns,
inc_nlink(dir);
v9fs_invalidate_inode_attr(dir);
error:
- if (fid)
- p9_fid_put(fid);
+ p9_fid_put(fid);
v9fs_put_acl(dacl, pacl);
p9_fid_put(dfid);
return err;
@@ -743,7 +729,6 @@ v9fs_vfs_symlink_dotl(struct user_namespace *mnt_userns, struct inode *dir,
err = PTR_ERR(fid);
p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
err);
- fid = NULL;
goto error;
}
@@ -755,9 +740,8 @@ v9fs_vfs_symlink_dotl(struct user_namespace *mnt_userns, struct inode *dir,
err);
goto error;
}
- v9fs_fid_add(dentry, fid);
+ v9fs_fid_add(dentry, &fid);
d_instantiate(dentry, inode);
- fid = NULL;
err = 0;
} else {
/* Not in cached mode. No need to populate inode with stat */
@@ -770,9 +754,7 @@ v9fs_vfs_symlink_dotl(struct user_namespace *mnt_userns, struct inode *dir,
}
error:
- if (fid)
- p9_fid_put(fid);
-
+ p9_fid_put(fid);
p9_fid_put(dfid);
return err;
}
@@ -866,7 +848,6 @@ v9fs_vfs_mknod_dotl(struct user_namespace *mnt_userns, struct inode *dir,
if (IS_ERR(dfid)) {
err = PTR_ERR(dfid);
p9_debug(P9_DEBUG_VFS, "fid lookup failed %d\n", err);
- dfid = NULL;
goto error;
}
@@ -891,7 +872,6 @@ v9fs_vfs_mknod_dotl(struct user_namespace *mnt_userns, struct inode *dir,
err = PTR_ERR(fid);
p9_debug(P9_DEBUG_VFS, "p9_client_walk failed %d\n",
err);
- fid = NULL;
goto error;
}
@@ -905,9 +885,8 @@ v9fs_vfs_mknod_dotl(struct user_namespace *mnt_userns, struct inode *dir,
goto error;
}
v9fs_set_create_acl(inode, fid, dacl, pacl);
- v9fs_fid_add(dentry, fid);
+ v9fs_fid_add(dentry, &fid);
d_instantiate(dentry, inode);
- fid = NULL;
err = 0;
} else {
/*
@@ -923,8 +902,7 @@ v9fs_vfs_mknod_dotl(struct user_namespace *mnt_userns, struct inode *dir,
d_instantiate(dentry, inode);
}
error:
- if (fid)
- p9_fid_put(fid);
+ p9_fid_put(fid);
v9fs_put_acl(dacl, pacl);
p9_fid_put(dfid);