use powerof2() in sd_validate_blksize()
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a157602b52
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7e64fd0859
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@ -1,4 +1,4 @@
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/* $NetBSD: sd.c,v 1.332 2021/05/30 06:46:46 dholland Exp $ */
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/* $NetBSD: sd.c,v 1.333 2022/01/27 18:44:49 jakllsch Exp $ */
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/*-
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* Copyright (c) 1998, 2003, 2004 The NetBSD Foundation, Inc.
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@ -47,7 +47,7 @@
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*/
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: sd.c,v 1.332 2021/05/30 06:46:46 dholland Exp $");
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__KERNEL_RCSID(0, "$NetBSD: sd.c,v 1.333 2022/01/27 18:44:49 jakllsch Exp $");
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#ifdef _KERNEL_OPT
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#include "opt_scsi.h"
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@ -1311,19 +1311,14 @@ static int
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sd_validate_blksize(struct scsipi_periph *periph, int len)
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{
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switch (len) {
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case 256:
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case 512:
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case 1024:
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case 2048:
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case 4096:
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if (len >= 256 && powerof2(len) && len <= 4096) {
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return 1;
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}
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if (periph) {
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scsipi_printaddr(periph);
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printf("%s sector size: 0x%x. Defaulting to %d bytes.\n",
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(len ^ (1 << (ffs(len) - 1))) ?
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!powerof2(len) ?
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"preposterous" : "unsupported",
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len, SD_DEFAULT_BLKSIZE);
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}
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