svn commit: r224868 - head/sys/dev/mmc

[Alexander Motin]

Author: mav
Date: Sun Aug 14 16:17:00 2011
New Revision: 224868
URL: http://svn.freebsd.org/changeset/base/224868

Log:
  Fix integer overflow on 32bit systems when calculating media size,
  reintroduced by r222475.
  
  Approved by:	re (kib)

Modified:
  head/sys/dev/mmc/mmcsd.c

Modified: head/sys/dev/mmc/mmcsd.c
==============================================================================
--- head/sys/dev/mmc/mmcsd.c	Sun Aug 14 16:03:26 2011	(r224867)
+++ head/sys/dev/mmc/mmcsd.c	Sun Aug 14 16:17:00 2011	(r224868)
@@ -137,7 +137,7 @@ mmcsd_attach(device_t dev)
 	d->d_drv1 = sc;
 	d->d_maxsize = 4*1024*1024;	/* Maximum defined SD card AU size. */
 	d->d_sectorsize = mmc_get_sector_size(dev);
-	d->d_mediasize = mmc_get_media_size(dev) * d->d_sectorsize;
+	d->d_mediasize = (off_t)mmc_get_media_size(dev) * d->d_sectorsize;
 	d->d_stripeoffset = 0;
 	d->d_stripesize = mmc_get_erase_sector(dev) * d->d_sectorsize;
 	d->d_unit = device_get_unit(dev);