svn commit: r199276 - stable/7/sys/cddl/boot/zfs

Robert Noland rnoland at
Sat Nov 14 18:53:44 UTC 2009

Author: rnoland
Date: Sat Nov 14 18:53:44 2009
New Revision: 199276

  MFC r199241
  This patch addresses an overflow in the the zfs boot code and allows
  users to boot from zfs raidz volumes.  This has been tested by a number
  of users and does not impact those which are not booting from zfs raidz
  Submitted by:	Matt Reimer <mattjreimer at>

Directory Properties:
  stable/7/sys/   (props changed)
  stable/7/sys/contrib/pf/   (props changed)

Modified: stable/7/sys/cddl/boot/zfs/zfssubr.c
--- stable/7/sys/cddl/boot/zfs/zfssubr.c	Sat Nov 14 18:42:09 2009	(r199275)
+++ stable/7/sys/cddl/boot/zfs/zfssubr.c	Sat Nov 14 18:53:44 2009	(r199276)
@@ -550,7 +550,8 @@ vdev_raidz_read(vdev_t *vdev, const blkp
 	uint64_t s = psize >> unit_shift;
 	uint64_t f = b % dcols;
 	uint64_t o = (b / dcols) << unit_shift;
-	int q, r, c, c1, bc, col, acols, coff, devidx, asize, n;
+	uint64_t q, r, coff;
+	int c, c1, bc, col, acols, devidx, asize, n;
 	static raidz_col_t cols[16];
 	raidz_col_t *rc, *rc1;

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