Module Name: src
Committed By: mlelstv
Date: Thu Apr 4 12:26:45 UTC 2019
Modified Files:
src/sys/kern: kern_physio.c
Log Message:
Don't validate buffer size for tape I/O, this is already done by
the tape driver. Using MAXBSIZE as limit was also wrong on sun2 where
MAXBSIZE < MAXPHYS.
To generate a diff of this commit:
cvs rdiff -u -r1.94 -r1.95 src/sys/kern/kern_physio.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/kern/kern_physio.c
diff -u src/sys/kern/kern_physio.c:1.94 src/sys/kern/kern_physio.c:1.95
--- src/sys/kern/kern_physio.c:1.94 Tue Mar 26 09:33:58 2019
+++ src/sys/kern/kern_physio.c Thu Apr 4 12:26:45 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: kern_physio.c,v 1.94 2019/03/26 09:33:58 mlelstv Exp $ */
+/* $NetBSD: kern_physio.c,v 1.95 2019/04/04 12:26:45 mlelstv Exp $ */
/*-
* Copyright (c) 1982, 1986, 1990, 1993
@@ -71,7 +71,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_physio.c,v 1.94 2019/03/26 09:33:58 mlelstv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_physio.c,v 1.95 2019/04/04 12:26:45 mlelstv Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@@ -317,13 +317,6 @@ physio(void (*strategy)(struct buf *), s
*/
bp->b_bcount = MIN(MAXPHYS, iovp->iov_len);
} else {
- /*
- * Verify that buffer can handle size
- */
- if (iovp->iov_len > MAXBSIZE) {
- error = EINVAL;
- goto done;
- }
bp->b_bcount = iovp->iov_len;
}
bp->b_data = iovp->iov_base;
