From b2c2974b8cdf1eb3ef90ff845eb27b19e2187b7e Mon Sep 17 00:00:00 2001
From: Gao Xiang <hsiangkao@redhat.com>
Date: Mon, 22 Mar 2021 09:52:02 -0700
Subject: [PATCH] xfs: ensure xfs_errortag_random_default matches
XFS_ERRTAG_MAX
Add the BUILD_BUG_ON to xfs_errortag_add() in order to make sure that
the length of xfs_errortag_random_default matches XFS_ERRTAG_MAX when
building.
Signed-off-by: Gao Xiang <hsiangkao@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Darrick J. Wong <djwong@kernel.org>
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
---
fs/xfs/xfs_error.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index 185b4915b7bff..4d6509a61d112 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -299,6 +299,8 @@ xfs_errortag_add(
struct xfs_mount *mp,
unsigned int error_tag)
{
+ BUILD_BUG_ON(ARRAY_SIZE(xfs_errortag_random_default) != XFS_ERRTAG_MAX);
+
if (error_tag >= XFS_ERRTAG_MAX)
return -EINVAL;
--
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