From 1ba9b34529b0934ad9ee3bf3d9e7d5c452610fdd Mon Sep 17 00:00:00 2001 From: Bart Van Assche Date: Mon, 11 Feb 2019 00:05:44 +0000 Subject: [PATCH] scst_vdisk: Add a consistency check git-svn-id: http://svn.code.sf.net/p/scst/svn/trunk@7912 d57e44dd-8a1f-0410-8b47-8ef2f437770f --- scst/src/dev_handlers/scst_vdisk.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/scst/src/dev_handlers/scst_vdisk.c b/scst/src/dev_handlers/scst_vdisk.c index 2ec0d1177..9ec6e4af6 100644 --- a/scst/src/dev_handlers/scst_vdisk.c +++ b/scst/src/dev_handlers/scst_vdisk.c @@ -3322,6 +3322,8 @@ static enum compl_status_e fileio_exec_async(struct vdisk_cmd_params *p) length = scst_get_buf_next(cmd, &address); } + WARN_ON_ONCE(kvec - p->async.kvec != scst_get_buf_count(cmd)); + #if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 20, 0) iov_iter_kvec(&iter, dir, p->async.kvec, kvec - p->async.kvec, total); #else