Commit 128f24d5 authored Jun 21, 2016 by Darrick J. Wong Committed by Dave Chinner Jun 21, 2016

xfs: check for a valid error_tag in errortag_add



Currently we don't check the error_tag when someone's trying to set up
error injection testing.  If userspace passes in a value we don't know
about, send back an error.  This will help xfstests to _notrun a test
that uses error injection to test things like log replay.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Dave Chinner <david@fromorbit.com>

parent 479c6412

fs/xfs/xfs_error.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -61,6 +61,9 @@ xfs_errortag_add(int error_tag, xfs_mount_t *mp)
		int len;
		int64_t fsid;

		if (error_tag >= XFS_ERRTAG_MAX)
		return -EINVAL;

		memcpy(&fsid, mp->m_fixedfsid, sizeof(xfs_fsid_t));

		for (i = 0; i < XFS_NUM_INJECT_ERROR; i++) {