[int13] Use correct size when estimating floppy disk geometry

Signed-off-by: Michael Brown <mcb30@ipxe.org>

diff --git a/src/arch/i386/interface/pcbios/int13.c b/src/arch/i386/interface/pcbios/int13.c
index 191e741873f17034605e1381011d933881bf14d4..263f861e4f380c2b564362efb32d0baa82070747 100644 (file)
--- a/src/arch/i386/interface/pcbios/int13.c
+++ b/src/arch/i386/interface/pcbios/int13.c
@@ -627,7 +627,7 @@ static const struct int13_fdd_geometry int13_fdd_geometries[] = {
 static int int13_guess_geometry_fdd ( struct int13_drive *int13,
                                      unsigned int *heads,
                                      unsigned int *sectors ) {
-       unsigned int blocks = int13_blksize ( int13 );
+       unsigned int blocks = int13_capacity ( int13 );
        const struct int13_fdd_geometry *geometry;
        unsigned int cylinders;
        unsigned int i;