Use M_ZERO in malloc(9)

[Michael McConville]

Index: arch/arm/xscale/pxa27x_udc.c
===================================================================
RCS file: /cvs/src/sys/arch/arm/xscale/pxa27x_udc.c,v
retrieving revision 1.31
diff -u -p -r1.31 pxa27x_udc.c
--- arch/arm/xscale/pxa27x_udc.c        15 May 2015 13:32:08 -0000      1.31
+++ arch/arm/xscale/pxa27x_udc.c        18 Sep 2015 15:40:49 -0000
@@ -973,9 +973,7 @@ pxaudc_allocx(struct usbf_bus *bus)
        if (xfer != NULL)
                SIMPLEQ_REMOVE_HEAD(&sc->sc_free_xfers, next);
        else
-               xfer = malloc(sizeof(struct pxaudc_xfer), M_USB, M_NOWAIT);
-       if (xfer != NULL)
-               bzero(xfer, sizeof(struct pxaudc_xfer));
+               xfer = malloc(sizeof(struct pxaudc_xfer), M_USB, M_NOWAIT | 
M_ZERO);
        return xfer;
 }
 
Index: isofs/cd9660/cd9660_vfsops.c
===================================================================
RCS file: /cvs/src/sys/isofs/cd9660/cd9660_vfsops.c,v
retrieving revision 1.71
diff -u -p -r1.71 cd9660_vfsops.c
--- isofs/cd9660/cd9660_vfsops.c        9 Sep 2015 15:59:19 -0000       1.71
+++ isofs/cd9660/cd9660_vfsops.c        18 Sep 2015 15:40:50 -0000
@@ -361,8 +361,7 @@ iso_mountfs(devvp, mp, p, argp)
 
        rootp = (struct iso_directory_record *)pri->root_directory_record;
 
-       isomp = malloc(sizeof *isomp, M_ISOFSMNT, M_WAITOK);
-       bzero((caddr_t)isomp, sizeof *isomp);
+       isomp = malloc(sizeof *isomp, M_ISOFSMNT, M_WAITOK | M_ZERO);
        isomp->logical_block_size = logical_block_size;
        isomp->volume_space_size = isonum_733 (pri->volume_space_size);
        bcopy (rootp, isomp->root, sizeof isomp->root);
Index: kern/sys_process.c
===================================================================
RCS file: /cvs/src/sys/kern/sys_process.c,v
retrieving revision 1.67
diff -u -p -r1.67 sys_process.c
--- kern/sys_process.c  20 Jan 2015 19:43:21 -0000      1.67
+++ kern/sys_process.c  18 Sep 2015 15:40:50 -0000
@@ -346,10 +346,10 @@ sys_ptrace(struct proc *p, void *v, regi
                /* Just set the trace flag. */
                atomic_setbits_int(&tr->ps_flags, PS_TRACED);
                tr->ps_oppid = tr->ps_pptr->ps_pid;
-               if (tr->ps_ptstat == NULL)
+               if (tr->ps_ptstat == NULL) {
                        tr->ps_ptstat = malloc(sizeof(*tr->ps_ptstat),
-                           M_SUBPROC, M_WAITOK);
-               memset(tr->ps_ptstat, 0, sizeof(*tr->ps_ptstat));
+                           M_SUBPROC, M_WAITOK | M_ZERO);
+               }
                return (0);
 
        case  PT_WRITE_I:               /* XXX no separate I and D spaces */