Module Name:    src
Committed By:   rin
Date:           Fri Aug  4 11:18:18 UTC 2023

Modified Files:
        src/sys/arch/sun2/dev: sc_mbmem.c

Log Message:
sun2/sc(4): Fix panic due to wrong ENOMEM for DMA buffer

Use kmem_zalloc(9) for sc->sc_dma_handles[] to zero-initialize flags.

XXX
Will soon apply to sun3.


To generate a diff of this commit:
cvs rdiff -u -r1.15 -r1.16 src/sys/arch/sun2/dev/sc_mbmem.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/sun2/dev/sc_mbmem.c
diff -u src/sys/arch/sun2/dev/sc_mbmem.c:1.15 src/sys/arch/sun2/dev/sc_mbmem.c:1.16
--- src/sys/arch/sun2/dev/sc_mbmem.c:1.15	Sat Nov 21 00:27:52 2020
+++ src/sys/arch/sun2/dev/sc_mbmem.c	Fri Aug  4 11:18:18 2023
@@ -1,4 +1,4 @@
-/*	$NetBSD: sc_mbmem.c,v 1.15 2020/11/21 00:27:52 thorpej Exp $	*/
+/*	$NetBSD: sc_mbmem.c,v 1.16 2023/08/04 11:18:18 rin Exp $	*/
 
 /*-
  * Copyright (c) 1996 The NetBSD Foundation, Inc.
@@ -59,7 +59,7 @@
  ****************************************************************/
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: sc_mbmem.c,v 1.15 2020/11/21 00:27:52 thorpej Exp $");
+__KERNEL_RCSID(0, "$NetBSD: sc_mbmem.c,v 1.16 2023/08/04 11:18:18 rin Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -164,7 +164,7 @@ sunsc_mbmem_attach(device_t parent, devi
 	
 	/* Allocate DMA handles. */
 	i = SUNSCPAL_OPENINGS * sizeof(struct sunscpal_dma_handle);
-	sc->sc_dma_handles = kmem_alloc(i, KM_SLEEP);
+	sc->sc_dma_handles = kmem_zalloc(i, KM_SLEEP);
 	for (i = 0; i < SUNSCPAL_OPENINGS; i++)
 		if (bus_dmamap_create(sc->sunscpal_dmat, SUNSCPAL_MAX_DMA_LEN,
 		    1, SUNSCPAL_MAX_DMA_LEN,

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