Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mszeredi...

[pandora-kernel.git] / fs / fuse / dir.c

diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 16ae55d..fdff346 100644 (file)
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -189,7 +189,7 @@ static int fuse_dentry_revalidate(struct dentry *entry, struct nameidata *nd)
                parent = dget_parent(entry);
                fuse_lookup_init(fc, req, get_node_id(parent->d_inode),
                                 &entry->d_name, &outarg);
-               request_send(fc, req);
+               fuse_request_send(fc, req);
                dput(parent);
                err = req->out.h.error;
                fuse_put_request(fc, req);
@@ -283,7 +283,7 @@ int fuse_lookup_name(struct super_block *sb, u64 nodeid, struct qstr *name,
        attr_version = fuse_get_attr_version(fc);
 
        fuse_lookup_init(fc, req, nodeid, name, outarg);
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        err = req->out.h.error;
        fuse_put_request(fc, req);
        /* Zero nodeid is same as -ENOENT, but with valid timeout */
@@ -369,7 +369,7 @@ static void fuse_sync_release(struct fuse_conn *fc, struct fuse_file *ff,
 {
        fuse_release_fill(ff, nodeid, flags, FUSE_RELEASE);
        ff->reserved_req->force = 1;
-       request_send(fc, ff->reserved_req);
+       fuse_request_send(fc, ff->reserved_req);
        fuse_put_request(fc, ff->reserved_req);
        kfree(ff);
 }
@@ -432,7 +432,7 @@ static int fuse_create_open(struct inode *dir, struct dentry *entry, int mode,
        req->out.args[0].value = &outentry;
        req->out.args[1].size = sizeof(outopen);
        req->out.args[1].value = &outopen;
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        err = req->out.h.error;
        if (err) {
                if (err == -ENOSYS)
@@ -502,7 +502,7 @@ static int create_new_entry(struct fuse_conn *fc, struct fuse_req *req,
        else
                req->out.args[0].size = sizeof(outarg);
        req->out.args[0].value = &outarg;
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        err = req->out.h.error;
        fuse_put_request(fc, req);
        if (err)
@@ -631,7 +631,7 @@ static int fuse_unlink(struct inode *dir, struct dentry *entry)
        req->in.numargs = 1;
        req->in.args[0].size = entry->d_name.len + 1;
        req->in.args[0].value = entry->d_name.name;
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        err = req->out.h.error;
        fuse_put_request(fc, req);
        if (!err) {
@@ -664,7 +664,7 @@ static int fuse_rmdir(struct inode *dir, struct dentry *entry)
        req->in.numargs = 1;
        req->in.args[0].size = entry->d_name.len + 1;
        req->in.args[0].value = entry->d_name.name;
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        err = req->out.h.error;
        fuse_put_request(fc, req);
        if (!err) {
@@ -697,7 +697,7 @@ static int fuse_rename(struct inode *olddir, struct dentry *oldent,
        req->in.args[1].value = oldent->d_name.name;
        req->in.args[2].size = newent->d_name.len + 1;
        req->in.args[2].value = newent->d_name.name;
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        err = req->out.h.error;
        fuse_put_request(fc, req);
        if (!err) {
@@ -813,7 +813,7 @@ static int fuse_do_getattr(struct inode *inode, struct kstat *stat,
        else
                req->out.args[0].size = sizeof(outarg);
        req->out.args[0].value = &outarg;
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        err = req->out.h.error;
        fuse_put_request(fc, req);
        if (!err) {
@@ -871,18 +871,25 @@ int fuse_update_attributes(struct inode *inode, struct kstat *stat,
  */
 int fuse_allow_task(struct fuse_conn *fc, struct task_struct *task)
 {
+       const struct cred *cred;
+       int ret;
+
        if (fc->flags & FUSE_ALLOW_OTHER)
                return 1;
 
-       if (task->euid == fc->user_id &&
-           task->suid == fc->user_id &&
-           task->uid == fc->user_id &&
-           task->egid == fc->group_id &&
-           task->sgid == fc->group_id &&
-           task->gid == fc->group_id)
-               return 1;
+       rcu_read_lock();
+       ret = 0;
+       cred = __task_cred(task);
+       if (cred->euid == fc->user_id &&
+           cred->suid == fc->user_id &&
+           cred->uid  == fc->user_id &&
+           cred->egid == fc->group_id &&
+           cred->sgid == fc->group_id &&
+           cred->gid  == fc->group_id)
+               ret = 1;
+       rcu_read_unlock();
 
-       return 0;
+       return ret;
 }
 
 static int fuse_access(struct inode *inode, int mask)
@@ -906,7 +913,7 @@ static int fuse_access(struct inode *inode, int mask)
        req->in.numargs = 1;
        req->in.args[0].size = sizeof(inarg);
        req->in.args[0].value = &inarg;
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        err = req->out.h.error;
        fuse_put_request(fc, req);
        if (err == -ENOSYS) {
@@ -1028,7 +1035,7 @@ static int fuse_readdir(struct file *file, void *dstbuf, filldir_t filldir)
        req->num_pages = 1;
        req->pages[0] = page;
        fuse_read_fill(req, file, inode, file->f_pos, PAGE_SIZE, FUSE_READDIR);
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        nbytes = req->out.args[0].size;
        err = req->out.h.error;
        fuse_put_request(fc, req);
@@ -1062,7 +1069,7 @@ static char *read_link(struct dentry *dentry)
        req->out.numargs = 1;
        req->out.args[0].size = PAGE_SIZE - 1;
        req->out.args[0].value = link;
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        if (req->out.h.error) {
                free_page((unsigned long) link);
                link = ERR_PTR(req->out.h.error);
@@ -1268,7 +1275,7 @@ static int fuse_do_setattr(struct dentry *entry, struct iattr *attr,
        else
                req->out.args[0].size = sizeof(outarg);
        req->out.args[0].value = &outarg;
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        err = req->out.h.error;
        fuse_put_request(fc, req);
        if (err) {
@@ -1362,7 +1369,7 @@ static int fuse_setxattr(struct dentry *entry, const char *name,
        req->in.args[1].value = name;
        req->in.args[2].size = size;
        req->in.args[2].value = value;
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        err = req->out.h.error;
        fuse_put_request(fc, req);
        if (err == -ENOSYS) {
@@ -1408,7 +1415,7 @@ static ssize_t fuse_getxattr(struct dentry *entry, const char *name,
                req->out.args[0].size = sizeof(outarg);
                req->out.args[0].value = &outarg;
        }
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        ret = req->out.h.error;
        if (!ret)
                ret = size ? req->out.args[0].size : outarg.size;
@@ -1458,7 +1465,7 @@ static ssize_t fuse_listxattr(struct dentry *entry, char *list, size_t size)
                req->out.args[0].size = sizeof(outarg);
                req->out.args[0].value = &outarg;
        }
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        ret = req->out.h.error;
        if (!ret)
                ret = size ? req->out.args[0].size : outarg.size;
@@ -1491,7 +1498,7 @@ static int fuse_removexattr(struct dentry *entry, const char *name)
        req->in.numargs = 1;
        req->in.args[0].size = strlen(name) + 1;
        req->in.args[0].value = name;
-       request_send(fc, req);
+       fuse_request_send(fc, req);
        err = req->out.h.error;
        fuse_put_request(fc, req);
        if (err == -ENOSYS) {