Module Name:    src
Committed By:   martin
Date:           Mon Mar 23 10:06:26 UTC 2020

Modified Files:
        src/sys/arch/vax/vsa [netbsd-9]: ncr.c

Log Message:
Pull up following revision(s) (requested by ragge in ticket #802):

        sys/arch/vax/vsa/ncr.c: revision 1.50

Do not expect a struct buf to be present if doing DMA to kernel space.
Fixes bug reported by sadness on port-vax.


To generate a diff of this commit:
cvs rdiff -u -r1.49 -r1.49.4.1 src/sys/arch/vax/vsa/ncr.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/arch/vax/vsa/ncr.c
diff -u src/sys/arch/vax/vsa/ncr.c:1.49 src/sys/arch/vax/vsa/ncr.c:1.49.4.1
--- src/sys/arch/vax/vsa/ncr.c:1.49	Mon Sep  3 16:29:28 2018
+++ src/sys/arch/vax/vsa/ncr.c	Mon Mar 23 10:06:26 2020
@@ -1,4 +1,4 @@
-/*	$NetBSD: ncr.c,v 1.49 2018/09/03 16:29:28 riastradh Exp $	*/
+/*	$NetBSD: ncr.c,v 1.49.4.1 2020/03/23 10:06:26 martin Exp $	*/
 
 /*-
  * Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -42,7 +42,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ncr.c,v 1.49 2018/09/03 16:29:28 riastradh Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ncr.c,v 1.49.4.1 2020/03/23 10:06:26 martin Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -275,7 +275,11 @@ found:
 	dh->dh_flags = SIDH_BUSY;
 	dh->dh_addr = ncr_sc->sc_dataptr;
 	dh->dh_len = xlen;
-	dh->dh_proc = xs->bp->b_proc;
+	if (((vaddr_t)ncr_sc->sc_dataptr & KERNBASE) == 0) {
+		if (xs->bp == NULL)
+			panic("si_dma_alloc");
+		dh->dh_proc = xs->bp->b_proc;
+	}
 
 	/* Remember dest buffer parameters */
 	if (xs->xs_control & XS_CTL_DATA_OUT)

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