diff options
| author | Christoph Hellwig <hch@lst.de> | 2019-05-01 19:06:35 +0300 |
|---|---|---|
| committer | Anna Schumaker <Anna.Schumaker@Netapp.com> | 2019-05-09 23:26:57 +0300 |
| commit | a46126ccc77e764429d63bf958d117f607f4b6c6 (patch) | |
| tree | 00cd9f45890ffa99dacfe50924142db80ea63485 /fs | |
| parent | 8ca017c8cee3aa6a37ddf1db7fd04c54536a0ef0 (diff) | |
| download | linux-a46126ccc77e764429d63bf958d117f607f4b6c6.tar.xz | |
nfs: pass the correct prototype to read_cache_page
Fix the callbacks NFS passes to read_cache_page to actually have the
proper type expected. Casting around function pointers can easily
hide typing bugs, and defeats control flow protection.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Anna Schumaker <Anna.Schumaker@Netapp.com>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/nfs/dir.c | 7 | ||||
| -rw-r--r-- | fs/nfs/symlink.c | 7 |
2 files changed, 8 insertions, 6 deletions
diff --git a/fs/nfs/dir.c b/fs/nfs/dir.c index a71d0b42d160..47d445bec8c9 100644 --- a/fs/nfs/dir.c +++ b/fs/nfs/dir.c @@ -714,8 +714,9 @@ out: * We only need to convert from xdr once so future lookups are much simpler */ static -int nfs_readdir_filler(nfs_readdir_descriptor_t *desc, struct page* page) +int nfs_readdir_filler(void *data, struct page* page) { + nfs_readdir_descriptor_t *desc = data; struct inode *inode = file_inode(desc->file); int ret; @@ -762,8 +763,8 @@ void cache_page_release(nfs_readdir_descriptor_t *desc) static struct page *get_cache_page(nfs_readdir_descriptor_t *desc) { - return read_cache_page(desc->file->f_mapping, - desc->page_index, (filler_t *)nfs_readdir_filler, desc); + return read_cache_page(desc->file->f_mapping, desc->page_index, + nfs_readdir_filler, desc); } /* diff --git a/fs/nfs/symlink.c b/fs/nfs/symlink.c index 06eb44b47885..25ba299fdac2 100644 --- a/fs/nfs/symlink.c +++ b/fs/nfs/symlink.c @@ -26,8 +26,9 @@ * and straight-forward than readdir caching. */ -static int nfs_symlink_filler(struct inode *inode, struct page *page) +static int nfs_symlink_filler(void *data, struct page *page) { + struct inode *inode = data; int error; error = NFS_PROTO(inode)->readlink(inode, page, 0, PAGE_SIZE); @@ -65,8 +66,8 @@ static const char *nfs_get_link(struct dentry *dentry, err = ERR_PTR(nfs_revalidate_mapping(inode, inode->i_mapping)); if (err) return err; - page = read_cache_page(&inode->i_data, 0, - (filler_t *)nfs_symlink_filler, inode); + page = read_cache_page(&inode->i_data, 0, nfs_symlink_filler, + inode); if (IS_ERR(page)) return ERR_CAST(page); } |