| From foo@baz Mon Jul 4 04:42:02 PM CEST 2022 |
| From: Amir Goldstein <amir73il@gmail.com> |
| Date: Sun, 3 Jul 2022 08:04:53 +0300 |
| Subject: xfs: ensure xfs_errortag_random_default matches XFS_ERRTAG_MAX |
| To: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| Cc: Sasha Levin <sashal@kernel.org>, "Darrick J . Wong" <djwong@kernel.org>, Leah Rumancik <leah.rumancik@gmail.com>, Chandan Babu R <chandan.babu@oracle.com>, Luis Chamberlain <mcgrof@kernel.org>, Adam Manzanares <a.manzanares@samsung.com>, linux-xfs@vger.kernel.org, stable@vger.kernel.org, Gao Xiang <hsiangkao@redhat.com>, Christoph Hellwig <hch@lst.de> |
| Message-ID: <20220703050456.3222610-5-amir73il@gmail.com> |
| |
| From: Gao Xiang <hsiangkao@redhat.com> |
| |
| commit b2c2974b8cdf1eb3ef90ff845eb27b19e2187b7e upstream. |
| |
| 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> |
| Signed-off-by: Amir Goldstein <amir73il@gmail.com> |
| Acked-by: Darrick J. Wong <djwong@kernel.org> |
| Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> |
| --- |
| fs/xfs/xfs_error.c | 2 ++ |
| 1 file changed, 2 insertions(+) |
| |
| --- a/fs/xfs/xfs_error.c |
| +++ b/fs/xfs/xfs_error.c |
| @@ -293,6 +293,8 @@ 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; |
| |
