added error check.
This commit is contained in:
parent
2cae64a195
commit
c519d37fde
|
@ -1,4 +1,4 @@
|
|||
/* $NetBSD: bfs.c,v 1.11 2008/04/28 20:24:02 martin Exp $ */
|
||||
/* $NetBSD: bfs.c,v 1.12 2009/04/26 12:41:59 uch Exp $ */
|
||||
|
||||
/*-
|
||||
* Copyright (c) 2004 The NetBSD Foundation, Inc.
|
||||
|
@ -31,7 +31,7 @@
|
|||
|
||||
#include <sys/cdefs.h>
|
||||
|
||||
__KERNEL_RCSID(0, "$NetBSD: bfs.c,v 1.11 2008/04/28 20:24:02 martin Exp $");
|
||||
__KERNEL_RCSID(0, "$NetBSD: bfs.c,v 1.12 2009/04/26 12:41:59 uch Exp $");
|
||||
#define BFS_DEBUG
|
||||
|
||||
#include <sys/param.h>
|
||||
|
@ -256,10 +256,12 @@ bfs_file_read(const struct bfs *bfs, const char *fname, void *buf, size_t bufsz,
|
|||
|
||||
p = buf;
|
||||
n = end - start;
|
||||
bfs->io->read_n(bfs->io, p, start, n);
|
||||
if (!bfs->io->read_n(bfs->io, p, start, n))
|
||||
return EIO;
|
||||
/* last sector */
|
||||
n *= DEV_BSIZE;
|
||||
bfs->io->read(bfs->io, tmpbuf, end);
|
||||
if (!bfs->io->read(bfs->io, tmpbuf, end))
|
||||
return EIO;
|
||||
memcpy(p + n, tmpbuf, sz - n);
|
||||
|
||||
if (read_size)
|
||||
|
|
Loading…
Reference in New Issue