[gfs2-utils] 01/01: libgfs2: Don't use messy sizeof()s for calculating crc offsets

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andyp pushed a commit to branch andyp-lhv2
in repository gfs2-utils.

commit e4fa506b8ef9a562af464f1c8f72d6b8ad76b700
Author: Andrew Price <anprice(a)redhat.com&gt;
Date:   Mon Jan 22 12:45:35 2018 +0000

    libgfs2: Don't use messy sizeof()s for calculating crc offsets
    
    Signed-off-by: Andrew Price <anprice(a)redhat.com&gt;
---
 gfs2/libgfs2/structures.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/gfs2/libgfs2/structures.c b/gfs2/libgfs2/structures.c
index f6abd89..dd1d962 100644
--- a/gfs2/libgfs2/structures.c
+++ b/gfs2/libgfs2/structures.c
@@ -118,8 +118,7 @@ uint32_t lgfs2_log_header_crc(char *buf, unsigned bsize)
 	const off_t v1_end = offsetof(struct gfs2_log_header, lh_hash) + 4;
 	const unsigned char *lb = (const unsigned char *)buf;
 
-	return crc32c(~0, lb + v1_end + sizeof(((struct gfs2_log_header*)0)->lh_crc),
-	               bsize - v1_end - sizeof(((struct gfs2_log_header*)0)->lh_crc));
+	return crc32c(~0, lb + v1_end + 4, bsize - v1_end - 4);
 #else
 	return 0;
 #endif

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