[syslinux:master] mtools: include the size of the ADV in the mappable range

[syslinux-bot for H. Peter Anvin]

Commit-ID:  35bce9696160fbed33b6bad15c632cc0b55b0758
Gitweb:     http://syslinux.zytor.com/commit/35bce9696160fbed33b6bad15c632cc0b55b0758
Author:     H. Peter Anvin <hpa at linux.intel.com>
AuthorDate: Fri, 25 Jun 2010 15:23:42 -0700
Committer:  H. Peter Anvin <hpa at linux.intel.com>
CommitDate: Fri, 25 Jun 2010 15:23:42 -0700

mtools: include the size of the ADV in the mappable range

We need to include the size of the ADV in the range of data that needs
to be mapped.

Signed-off-by: H. Peter Anvin <hpa at linux.intel.com>


---
 mtools/syslinux.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/mtools/syslinux.c b/mtools/syslinux.c
index ade8440..f5b89c9 100644
--- a/mtools/syslinux.c
+++ b/mtools/syslinux.c
@@ -261,7 +261,8 @@ int main(int argc, char *argv[])
     /*
      * Now, use libfat to create a block map
      */
-    ldlinux_sectors = (syslinux_ldlinux_len + SECTOR_SIZE - 1) >> SECTOR_SHIFT;
+    ldlinux_sectors = (syslinux_ldlinux_len + 2 * ADV_SIZE
+		       + SECTOR_SIZE - 1) >> SECTOR_SHIFT;
     sectors = calloc(ldlinux_sectors, sizeof *sectors);
     fs = libfat_open(libfat_xpread, dev_fd);
     ldlinux_cluster = libfat_searchdir(fs, 0, "LDLINUX SYS", NULL);