diff options
Diffstat (limited to 'fs/fuse/dev.c')
| -rw-r--r-- | fs/fuse/dev.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/fs/fuse/dev.c b/fs/fuse/dev.c index fefb9dd8a2f4..69d4df78a417 100644 --- a/fs/fuse/dev.c +++ b/fs/fuse/dev.c @@ -61,6 +61,7 @@ static struct fuse_req *__fuse_request_alloc(unsigned npages, gfp_t flags) struct page **pages = NULL; struct fuse_page_desc *page_descs = NULL; + WARN_ON(npages > FUSE_MAX_MAX_PAGES); if (npages > FUSE_REQ_INLINE_PAGES) { pages = kzalloc(npages * (sizeof(*pages) + sizeof(*page_descs)), flags); @@ -1674,7 +1675,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode, unsigned int num; unsigned int offset; size_t total_len = 0; - int num_pages; + unsigned int num_pages; offset = outarg->offset & ~PAGE_MASK; file_size = i_size_read(inode); @@ -1686,7 +1687,7 @@ static int fuse_retrieve(struct fuse_conn *fc, struct inode *inode, num = file_size - outarg->offset; num_pages = (num + offset + PAGE_SIZE - 1) >> PAGE_SHIFT; - num_pages = min(num_pages, FUSE_MAX_PAGES_PER_REQ); + num_pages = min(num_pages, fc->max_pages); req = fuse_get_req(fc, num_pages); if (IS_ERR(req)) |