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Fail to load if there is no embedded file system image.

This commit is contained in:
ad 2008-11-16 15:47:35 +00:00
parent 15fabc9984
commit 974cf03d8d
1 changed files with 10 additions and 7 deletions
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17
sys/modules/miniroot/miniroot.c
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@ -1,4 +1,4 @@
/* $NetBSD: miniroot.c,v 1.2 2008/11/16 15:46:10 ad Exp $ */
/* $NetBSD: miniroot.c,v 1.3 2008/11/16 15:47:35 ad Exp $ */
/*-
* Copyright (c) 2008 The NetBSD Foundation, Inc.
@ -27,7 +27,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: miniroot.c,v 1.2 2008/11/16 15:46:10 ad Exp $");
__KERNEL_RCSID(0, "$NetBSD: miniroot.c,v 1.3 2008/11/16 15:47:35 ad Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
@ -47,9 +47,14 @@ miniroot_modcmd(modcmd_t cmd, void *arg)
switch (cmd) {
case MODULE_CMD_INIT:
error = module_find_section("miniroot", &addr, &size);
if (error == 0 && size != 0)
md_root_setconf(addr, size);
break;
if (error == 0) {
if (size == 0) {
error = EINVAL;
} else {
md_root_setconf(addr, size);
}
}
return error;
case MODULE_CMD_FINI:
return EOPNOTSUPP;
@ -57,6 +62,4 @@ miniroot_modcmd(modcmd_t cmd, void *arg)
default:
return ENOTTY;
}
return 0;
}