Module Name: src
Committed By: ryoon
Date: Thu Feb 11 00:15:55 UTC 2021
Modified Files:
src/sys/fs/msdosfs: msdosfs_vfsops.c
Log Message:
Enable to mount Raspberry Pi Pico's USB mass storage partition
Fix PR kern/55985.
O.k. by thorpej@.
Pull-up to netbsd-8 and netbsd-9.
To generate a diff of this commit:
cvs rdiff -u -r1.135 -r1.136 src/sys/fs/msdosfs/msdosfs_vfsops.c
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/fs/msdosfs/msdosfs_vfsops.c
diff -u src/sys/fs/msdosfs/msdosfs_vfsops.c:1.135 src/sys/fs/msdosfs/msdosfs_vfsops.c:1.136
--- src/sys/fs/msdosfs/msdosfs_vfsops.c:1.135 Mon Apr 13 19:23:17 2020
+++ src/sys/fs/msdosfs/msdosfs_vfsops.c Thu Feb 11 00:15:55 2021
@@ -1,4 +1,4 @@
-/* $NetBSD: msdosfs_vfsops.c,v 1.135 2020/04/13 19:23:17 ad Exp $ */
+/* $NetBSD: msdosfs_vfsops.c,v 1.136 2021/02/11 00:15:55 ryoon Exp $ */
/*-
* Copyright (C) 1994, 1995, 1997 Wolfgang Solfrank.
@@ -48,7 +48,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: msdosfs_vfsops.c,v 1.135 2020/04/13 19:23:17 ad Exp $");
+__KERNEL_RCSID(0, "$NetBSD: msdosfs_vfsops.c,v 1.136 2021/02/11 00:15:55 ryoon Exp $");
#if defined(_KERNEL_OPT)
#include "opt_compat_netbsd.h"
@@ -520,6 +520,13 @@ msdosfs_mountfs(struct vnode *devvp, str
b50 = (struct byte_bpb50 *)bsp->bs50.bsBPB;
b710 = (struct byte_bpb710 *)bsp->bs710.bsBPB;
+#if 0
+ /*
+ * Some FAT partition, for example Raspberry Pi Pico's
+ * USB mass storage, does not have exptected BOOTSIGs.
+ * According to FreeBSD's comment, some PC-9800/9821
+ * FAT floppy disks have similar problems.
+ */
if (!(argp->flags & MSDOSFSMNT_GEMDOSFS)) {
if (bsp->bs50.bsBootSectSig0 != BOOTSIG0
|| bsp->bs50.bsBootSectSig1 != BOOTSIG1) {
@@ -530,6 +537,7 @@ msdosfs_mountfs(struct vnode *devvp, str
goto error_exit;
}
}
+#endif
pmp = malloc(sizeof(*pmp), M_MSDOSFSMNT, M_WAITOK|M_ZERO);
pmp->pm_mountp = mp;
