diff options
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/debugfs/file.c | 10 | ||||
| -rw-r--r-- | fs/debugfs/inode.c | 4 | ||||
| -rw-r--r-- | fs/kernfs/file.c | 8 |
3 files changed, 9 insertions, 13 deletions
diff --git a/fs/debugfs/file.c b/fs/debugfs/file.c index 1f99678ff5d3..4fce1da7db23 100644 --- a/fs/debugfs/file.c +++ b/fs/debugfs/file.c @@ -796,19 +796,13 @@ EXPORT_SYMBOL_GPL(debugfs_read_file_bool); ssize_t debugfs_write_file_bool(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) { - char buf[32]; - size_t buf_size; bool bv; int r; bool *val = file->private_data; struct dentry *dentry = F_DENTRY(file); - buf_size = min(count, (sizeof(buf)-1)); - if (copy_from_user(buf, user_buf, buf_size)) - return -EFAULT; - - buf[buf_size] = '\0'; - if (strtobool(buf, &bv) == 0) { + r = kstrtobool_from_user(user_buf, count, &bv); + if (!r) { r = debugfs_file_get(dentry); if (unlikely(r)) return r; diff --git a/fs/debugfs/inode.c b/fs/debugfs/inode.c index 13b01351dd1c..a913b12fc7f8 100644 --- a/fs/debugfs/inode.c +++ b/fs/debugfs/inode.c @@ -512,7 +512,9 @@ struct dentry *debugfs_create_dir(const char *name, struct dentry *parent) if (unlikely(!inode)) return failed_creating(dentry); - inode->i_mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO; + if (!parent) + parent = debugfs_mount->mnt_root; + inode->i_mode = S_IFDIR | ((d_inode(parent)->i_mode & 0770)); inode->i_op = &simple_dir_inode_operations; inode->i_fop = &simple_dir_operations; diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c index fd5ce883072e..2015d8c45e4a 100644 --- a/fs/kernfs/file.c +++ b/fs/kernfs/file.c @@ -348,11 +348,11 @@ static void kernfs_vma_open(struct vm_area_struct *vma) kernfs_put_active(of->kn); } -static int kernfs_vma_fault(struct vm_fault *vmf) +static vm_fault_t kernfs_vma_fault(struct vm_fault *vmf) { struct file *file = vmf->vma->vm_file; struct kernfs_open_file *of = kernfs_of(file); - int ret; + vm_fault_t ret; if (!of->vm_ops) return VM_FAULT_SIGBUS; @@ -368,11 +368,11 @@ static int kernfs_vma_fault(struct vm_fault *vmf) return ret; } -static int kernfs_vma_page_mkwrite(struct vm_fault *vmf) +static vm_fault_t kernfs_vma_page_mkwrite(struct vm_fault *vmf) { struct file *file = vmf->vma->vm_file; struct kernfs_open_file *of = kernfs_of(file); - int ret; + vm_fault_t ret; if (!of->vm_ops) return VM_FAULT_SIGBUS; |