1 files changed, 1 insertions, 0 deletions

diff --git a/sys/dev/ciss/ciss.c b/sys/dev/ciss/ciss.c
index 968e7bb9a5de8..f9e62e469a273 100644
--- a/sys/dev/ciss/ciss.c
+++ b/sys/dev/ciss/ciss.c
@@ -2487,6 +2487,7 @@ ciss_preen_command(struct ciss_request *cr)
     cc->header.sg_total = 0;
     cc->header.host_tag = cr->cr_tag << 2;
     cc->header.host_tag_zeroes = 0;
+    bzero(&(cc->sg[0]), CISS_COMMAND_ALLOC_SIZE - sizeof(struct ciss_command));
     cmdphys = cr->cr_ccphys;
     cc->error_info.error_info_address = cmdphys + sizeof(struct ciss_command);
     cc->error_info.error_info_length = CISS_COMMAND_ALLOC_SIZE - sizeof(struct ciss_command);