diff options
Diffstat (limited to 'fs/ncpfs')
| -rw-r--r-- | fs/ncpfs/inode.c | 12 | ||||
| -rw-r--r-- | fs/ncpfs/mmap.c | 2 |
2 files changed, 10 insertions, 4 deletions
diff --git a/fs/ncpfs/inode.c b/fs/ncpfs/inode.c index 0765ad12c382..4659da67e7f6 100644 --- a/fs/ncpfs/inode.c +++ b/fs/ncpfs/inode.c @@ -403,18 +403,24 @@ static int ncp_parse_options(struct ncp_mount_data_kernel *data, char *options) switch (optval) { case 'u': data->uid = make_kuid(current_user_ns(), optint); - if (!uid_valid(data->uid)) + if (!uid_valid(data->uid)) { + ret = -EINVAL; goto err; + } break; case 'g': data->gid = make_kgid(current_user_ns(), optint); - if (!gid_valid(data->gid)) + if (!gid_valid(data->gid)) { + ret = -EINVAL; goto err; + } break; case 'o': data->mounted_uid = make_kuid(current_user_ns(), optint); - if (!uid_valid(data->mounted_uid)) + if (!uid_valid(data->mounted_uid)) { + ret = -EINVAL; goto err; + } break; case 'm': data->file_mode = optint; diff --git a/fs/ncpfs/mmap.c b/fs/ncpfs/mmap.c index ee24df5af1f9..3c5dd55d284c 100644 --- a/fs/ncpfs/mmap.c +++ b/fs/ncpfs/mmap.c @@ -117,7 +117,7 @@ int ncp_mmap(struct file *file, struct vm_area_struct *vma) return -EINVAL; /* we do not support files bigger than 4GB... We eventually supports just 4GB... */ - if (((vma->vm_end - vma->vm_start) >> PAGE_SHIFT) + vma->vm_pgoff + if (vma_pages(vma) + vma->vm_pgoff > (1U << (32 - PAGE_SHIFT))) return -EFBIG; |