Aren/NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

slightly more optimal fix from torek himself

Browse Source
This commit is contained in:
glass 1994-05-12 14:15:03 +00:00
parent 8912a2daad
commit bb8fd0a2ac
1 changed files with 5 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sys/kern/subr_autoconf.c
View File

@ -15,7 +15,7 @@
*
* %W% (Berkeley) %G%
*
* from: $Header: /cvsroot/src/sys/kern/subr_autoconf.c,v 1.5 1994/05/12 05:21:45 glass Exp $ (LBL)
* from: $Header: /cvsroot/src/sys/kern/subr_autoconf.c,v 1.6 1994/05/12 14:15:03 glass Exp $ (LBL)
*/
#include <sys/param.h>
@ -266,19 +266,18 @@ config_attach(parent, cf, aux, print)
void **nsp;
if (old == 0) {
newbytes = max(MINALLOCSIZE,
sizeof(void *) * (dev->dv_unit + 1));
new = max(MINALLOCSIZE / sizeof(void *),
dev->dv_unit + 1);
newbytes = new * sizeof(void *);
nsp = malloc(newbytes, M_DEVBUF, M_NOWAIT);
if (!nsp)
panic("config_attach: expanding dev array");
bzero(nsp, newbytes);
cd->cd_ndevs = newbytes / sizeof(void *);
} else {
new = cd->cd_ndevs;
do {
new *= 2;
} while (new <= dev->dv_unit);
cd->cd_ndevs = new;
oldbytes = old * sizeof(void *);
newbytes = new * sizeof(void *);
nsp = malloc(newbytes, M_DEVBUF, M_NOWAIT);
@ -288,6 +287,7 @@ config_attach(parent, cf, aux, print)
bzero(&nsp[old], newbytes - oldbytes);
free(cd->cd_devs, M_DEVBUF);
}
cd->cd_ndevs = new;
cd->cd_devs = nsp;
}
if (cd->cd_devs[dev->dv_unit])