Module Name:    src
Committed By:   hannken
Date:           Tue Jun 27 08:40:53 UTC 2017

Modified Files:
        src/sys/miscfs/genfs: genfs_io.c

Log Message:
Add missing check for dead or dying vnode to the entry of genfs_getpages().


To generate a diff of this commit:
cvs rdiff -u -r1.69 -r1.70 src/sys/miscfs/genfs/genfs_io.c

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.

Modified files:

Index: src/sys/miscfs/genfs/genfs_io.c
diff -u src/sys/miscfs/genfs/genfs_io.c:1.69 src/sys/miscfs/genfs/genfs_io.c:1.70
--- src/sys/miscfs/genfs/genfs_io.c:1.69	Sun Jun  4 08:05:42 2017
+++ src/sys/miscfs/genfs/genfs_io.c	Tue Jun 27 08:40:53 2017
@@ -1,4 +1,4 @@
-/*	$NetBSD: genfs_io.c,v 1.69 2017/06/04 08:05:42 hannken Exp $	*/
+/*	$NetBSD: genfs_io.c,v 1.70 2017/06/27 08:40:53 hannken Exp $	*/
 
 /*
  * Copyright (c) 1982, 1986, 1989, 1993
@@ -31,7 +31,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: genfs_io.c,v 1.69 2017/06/04 08:05:42 hannken Exp $");
+__KERNEL_RCSID(0, "$NetBSD: genfs_io.c,v 1.70 2017/06/27 08:40:53 hannken Exp $");
 
 #include <sys/param.h>
 #include <sys/systm.h>
@@ -139,6 +139,13 @@ genfs_getpages(void *v)
 	KASSERT(vp->v_type == VREG || vp->v_type == VDIR ||
 	    vp->v_type == VLNK || vp->v_type == VBLK);
 
+	error = vdead_check(vp, VDEAD_NOWAIT);
+	if (error) {
+		if ((flags & PGO_LOCKED) == 0)
+			mutex_exit(uobj->vmobjlock);
+		return error;
+	}
+
 startover:
 	error = 0;
 	const voff_t origvsize = vp->v_size;

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