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-rw-r--r--mtools/syslinux.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/mtools/syslinux.c b/mtools/syslinux.c
index ade84402..f5b89c9e 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);