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xfs: ensure xfs_errortag_random_default matches XFS_ERRTAG_MAX

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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>
This commit is contained in:
Gao Xiang
2021-03-22 09:52:02 -07:00
committed by Darrick J. Wong
parent 92cf7d3638
commit b2c2974b8c
1 changed files with 2 additions and 0 deletions
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2
fs/xfs/xfs_error.c
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@@ -299,6 +299,8 @@ xfs_errortag_add(
struct xfs_mount *mp, struct xfs_mount *mp,
unsigned int error_tag) unsigned int error_tag)
{ {
BUILD_BUG_ON(ARRAY_SIZE(xfs_errortag_random_default) != XFS_ERRTAG_MAX);
if (error_tag >= XFS_ERRTAG_MAX) if (error_tag >= XFS_ERRTAG_MAX)
return -EINVAL; return -EINVAL;