5348 zio_checksum_error() only fills in info if ECKSUM

Reviewed by: Alex Reece <alex.reece@delphix.com>
Reviewed by: Christopher Siden <christopher.siden@delphix.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Steven Hartland <killing@multiplay.co.uk>
Approved by: Dan McDonald <danmcd@omniti.com>

Author: ahrens

usr/src/uts/common/fs/zfs/zio.c

@@ -2817,7 +2817,8 @@ zio_checksum_verify(zio_t *zio)
 
 	if ((error = zio_checksum_error(zio, &info)) != 0) {
 		zio->io_error = error;
-		if (!(zio->io_flags & ZIO_FLAG_SPECULATIVE)) {
+		if (error == ECKSUM &&
+		    !(zio->io_flags & ZIO_FLAG_SPECULATIVE)) {
 			zfs_ereport_start_checksum(zio->io_spa,
 			    zio->io_vd, zio, zio->io_offset,
 			    zio->io_size, NULL, &info);