svn commit: r358597 - head/sys/kern

[Chuck Silvers]

Author: chs
Date: Wed Mar  4 00:22:50 2020
New Revision: 358597
URL: https://svnweb.freebsd.org/changeset/base/358597

Log:
  if vm_pager_get_pages_async() returns an error, release the sfio->nios
  refcount that we took earlier that represents the I/O that ended up
  not being started.
  
  Reviewed by:	glebius
  Approved by:	imp (mentor)
  Sponsored by:	Netflix

Modified:
  head/sys/kern/kern_sendfile.c

Modified: head/sys/kern/kern_sendfile.c
==============================================================================
--- head/sys/kern/kern_sendfile.c	Tue Mar  3 23:15:30 2020	(r358596)
+++ head/sys/kern/kern_sendfile.c	Wed Mar  4 00:22:50 2020	(r358597)
@@ -454,6 +454,7 @@ sendfile_swapin(vm_object_t obj, struct sf_io *sfio, i
 				    __func__, pa, j));
 				vm_page_unwire(pa[j], PQ_INACTIVE);
 			}
+			refcount_release(&sfio->nios);
 			return (EIO);
 		}