Btrfs: don't count CRC or header errors twice while scrubbing

Each CRC or header error was counted twice, this is now fixed.

Signed-off-by: Stefan Behrens <sbehrens@giantdisaster.de>

fs/btrfs/scrub.c

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 60f0e28..b679bf6 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -1258,12 +1258,6 @@
 	if (memcmp(csum, on_disk_csum, sdev->csum_size))
 		fail = 1;
 
-	if (fail) {
-		spin_lock(&sdev->stat_lock);
-		++sdev->stat.csum_errors;
-		spin_unlock(&sdev->stat_lock);
-	}
-
 	return fail;
 }
 
@@ -1336,15 +1330,6 @@
 	if (memcmp(calculated_csum, on_disk_csum, sdev->csum_size))
 		++crc_fail;
 
-	if (crc_fail || fail) {
-		spin_lock(&sdev->stat_lock);
-		if (crc_fail)
-			++sdev->stat.csum_errors;
-		if (fail)
-			++sdev->stat.verify_errors;
-		spin_unlock(&sdev->stat_lock);
-	}
-
 	return fail || crc_fail;
 }