diff options
Diffstat (limited to 'fs/f2fs/verity.c')
| -rw-r--r-- | fs/f2fs/verity.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/fs/f2fs/verity.c b/fs/f2fs/verity.c index 7b8f2b41c29b..f0805e51b3fe 100644 --- a/fs/f2fs/verity.c +++ b/fs/f2fs/verity.c @@ -47,16 +47,13 @@ static int pagecache_read(struct inode *inode, void *buf, size_t count, size_t n = min_t(size_t, count, PAGE_SIZE - offset_in_page(pos)); struct page *page; - void *addr; page = read_mapping_page(inode->i_mapping, pos >> PAGE_SHIFT, NULL); if (IS_ERR(page)) return PTR_ERR(page); - addr = kmap_atomic(page); - memcpy(buf, addr + offset_in_page(pos), n); - kunmap_atomic(addr); + memcpy_from_page(buf, page, offset_in_page(pos), n); put_page(page); @@ -85,16 +82,13 @@ static int pagecache_write(struct inode *inode, const void *buf, size_t count, PAGE_SIZE - offset_in_page(pos)); struct page *page; void *fsdata; - void *addr; int res; res = aops->write_begin(NULL, mapping, pos, n, &page, &fsdata); if (res) return res; - addr = kmap_atomic(page); - memcpy(addr + offset_in_page(pos), buf, n); - kunmap_atomic(addr); + memcpy_to_page(page, offset_in_page(pos), buf, n); res = aops->write_end(NULL, mapping, pos, n, n, page, fsdata); if (res < 0) @@ -246,6 +240,8 @@ static int f2fs_get_verity_descriptor(struct inode *inode, void *buf, if (pos + size < pos || pos + size > inode->i_sb->s_maxbytes || pos < f2fs_verity_metadata_pos(inode) || size > INT_MAX) { f2fs_warn(F2FS_I_SB(inode), "invalid verity xattr"); + f2fs_handle_error(F2FS_I_SB(inode), + ERROR_CORRUPTED_VERITY_XATTR); return -EFSCORRUPTED; } if (buf_size) { |