[src/trunk]: src/sys/dev/pci malloc+memset zero to malloc(, |M_ZERO);

[maya <maya%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b33d6874e45b
branches:  trunk
changeset: 829046:b33d6874e45b
user:      maya <maya%NetBSD.org@localhost>
date:      Mon Jan 15 12:43:42 2018 +0000

description:
malloc+memset zero to malloc(, |M_ZERO);

ok rkujawa

diffstat:

 sys/dev/pci/ahd_pci.c |  10 ++++------
 1 files changed, 4 insertions(+), 6 deletions(-)

diffs (47 lines):

diff -r 7b3d7076cb9f -r b33d6874e45b sys/dev/pci/ahd_pci.c
--- a/sys/dev/pci/ahd_pci.c     Mon Jan 15 12:20:47 2018 +0000
+++ b/sys/dev/pci/ahd_pci.c     Mon Jan 15 12:43:42 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: ahd_pci.c,v 1.35 2014/03/29 19:28:24 christos Exp $    */
+/*     $NetBSD: ahd_pci.c,v 1.36 2018/01/15 12:43:42 maya Exp $        */
 
 /*
  * Product specific probe and attach routines for:
@@ -50,7 +50,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: ahd_pci.c,v 1.35 2014/03/29 19:28:24 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: ahd_pci.c,v 1.36 2018/01/15 12:43:42 maya Exp $");
 
 #define AHD_PCI_IOADDR PCI_MAPREG_START        /* I/O Address */
 #define AHD_PCI_MEMADDR        (PCI_MAPREG_START + 4)  /* Mem I/O Address */
@@ -337,13 +337,12 @@
                return;
 
        /* Keep information about the PCI bus */
-       bd = malloc(sizeof (struct ahd_pci_busdata), M_DEVBUF, M_NOWAIT);
+       bd = malloc(sizeof (struct ahd_pci_busdata), M_DEVBUF, M_NOWAIT|M_ZERO);
        if (bd == NULL) {
                aprint_error("%s: unable to allocate bus-specific data\n",
                    ahd_name(ahd));
                return;
        }
-       memset(bd, 0, sizeof(struct ahd_pci_busdata));
 
        bd->pc = pa->pa_pc;
        bd->tag = pa->pa_tag;
@@ -355,12 +354,11 @@
        ahd->description = entry->name;
 
        ahd->seep_config = malloc(sizeof(*ahd->seep_config),
-                                 M_DEVBUF, M_NOWAIT);
+                                 M_DEVBUF, M_NOWAIT|M_ZERO);
        if (ahd->seep_config == NULL) {
                aprint_error("%s: cannot malloc seep_config!\n", ahd_name(ahd));
                return;
        }
-       memset(ahd->seep_config, 0, sizeof(*ahd->seep_config));
 
        LIST_INIT(&ahd->pending_scbs);
        ahd_timer_init(&ahd->reset_timer);