From: Darrick J. Wong Date: Mon, 8 Feb 2016 00:03:58 +0000 (+1100) Subject: xfs: fix endianness error when checking log block crc on big endian platforms X-Git-Tag: v4.14-rc1~3583^2~12 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=8e0bd4925bf693520295de403483efad4dc5cc16;p=platform%2Fkernel%2Flinux-rpi.git xfs: fix endianness error when checking log block crc on big endian platforms Since the checksum function and the field are both __le32, don't perform endian conversion when comparing the two. This fixes mount failures on ppc64. Signed-off-by: Darrick J. Wong Reviewed-by: Brian Foster Signed-off-by: Dave Chinner --- diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c index da37beb..594f7e6 100644 --- a/fs/xfs/xfs_log_recover.c +++ b/fs/xfs/xfs_log_recover.c @@ -4491,7 +4491,7 @@ xlog_recover_process( * know precisely what failed. */ if (pass == XLOG_RECOVER_CRCPASS) { - if (rhead->h_crc && crc != le32_to_cpu(rhead->h_crc)) + if (rhead->h_crc && crc != rhead->h_crc) return -EFSBADCRC; return 0; } @@ -4502,7 +4502,7 @@ xlog_recover_process( * zero CRC check prevents warnings from being emitted when upgrading * the kernel from one that does not add CRCs by default. */ - if (crc != le32_to_cpu(rhead->h_crc)) { + if (crc != rhead->h_crc) { if (rhead->h_crc || xfs_sb_version_hascrc(&log->l_mp->m_sb)) { xfs_alert(log->l_mp, "log record CRC mismatch: found 0x%x, expected 0x%x.",