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-rw-r--r--sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
index de24c0b..5137d64 100644
--- a/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
+++ b/sys/cddl/contrib/opensolaris/uts/common/fs/zfs/arc.c
@@ -2687,7 +2687,7 @@ arc_read_done(zio_t *zio)
/* byteswap if necessary */
callback_list = hdr->b_acb;
ASSERT(callback_list != NULL);
- if (BP_SHOULD_BYTESWAP(zio->io_bp)) {
+ if (BP_SHOULD_BYTESWAP(zio->io_bp) && zio->io_error == 0) {
arc_byteswap_func_t *func = BP_GET_LEVEL(zio->io_bp) > 0 ?
byteswap_uint64_array :
dmu_ot[BP_GET_TYPE(zio->io_bp)].ot_byteswap;
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