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

use powerof2() in sd_validate_blksize()

This commit is contained in:
jakllsch 2022-01-27 18:44:49 +00:00
parent a157602b52
commit 7e64fd0859
1 changed files with 4 additions and 9 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
sys/dev/scsipi/sd.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: sd.c,v 1.332 2021/05/30 06:46:46 dholland Exp $ */
/* $NetBSD: sd.c,v 1.333 2022/01/27 18:44:49 jakllsch Exp $ */
/*-
* Copyright (c) 1998, 2003, 2004 The NetBSD Foundation, Inc.
@ -47,7 +47,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: sd.c,v 1.332 2021/05/30 06:46:46 dholland Exp $");
__KERNEL_RCSID(0, "$NetBSD: sd.c,v 1.333 2022/01/27 18:44:49 jakllsch Exp $");
#ifdef _KERNEL_OPT
#include "opt_scsi.h"
@ -1311,19 +1311,14 @@ static int
sd_validate_blksize(struct scsipi_periph *periph, int len)
{
switch (len) {
case 256:
case 512:
case 1024:
case 2048:
case 4096:
if (len >= 256 && powerof2(len) && len <= 4096) {
return 1;
}
if (periph) {
scsipi_printaddr(periph);
printf("%s sector size: 0x%x. Defaulting to %d bytes.\n",
(len ^ (1 << (ffs(len) - 1))) ?
!powerof2(len) ?
"preposterous" : "unsupported",
len, SD_DEFAULT_BLKSIZE);
}