From a4213663c9a0665ca27785031ebf9716429b3061 Mon Sep 17 00:00:00 2001 From: eivind Date: Tue, 22 Dec 1998 00:44:11 +0000 Subject: Check return value of tsleep(). I've checked of all call points - there does not seem to be a problem with this. PR: kern/8732 Analysis by: David G Andersen Tested by: Alfred Perlstein --- sys/kern/vfs_export.c | 11 +++++++---- sys/kern/vfs_subr.c | 11 +++++++---- 2 files changed, 14 insertions(+), 8 deletions(-) diff --git a/sys/kern/vfs_export.c b/sys/kern/vfs_export.c index 2b26fd7..985b9c6 100644 --- a/sys/kern/vfs_export.c +++ b/sys/kern/vfs_export.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)vfs_subr.c 8.31 (Berkeley) 5/26/95 - * $Id: vfs_subr.c,v 1.174 1998/12/04 22:54:51 archie Exp $ + * $Id: vfs_subr.c,v 1.175 1998/12/21 23:38:33 eivind Exp $ */ /* @@ -579,9 +579,12 @@ vinvalbuf(vp, flags, cred, p, slpflag, slptimeo) s = splbio(); while (vp->v_numoutput) { vp->v_flag |= VBWAIT; - tsleep((caddr_t)&vp->v_numoutput, - slpflag | (PRIBIO + 1), - "vinvlbuf", slptimeo); + error = tsleep((caddr_t)&vp->v_numoutput, + slpflag | (PRIBIO + 1), "vinvlbuf", slptimeo); + if (error) { + splx(s); + return (error); + } } if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) { splx(s); diff --git a/sys/kern/vfs_subr.c b/sys/kern/vfs_subr.c index 2b26fd7..985b9c6 100644 --- a/sys/kern/vfs_subr.c +++ b/sys/kern/vfs_subr.c @@ -36,7 +36,7 @@ * SUCH DAMAGE. * * @(#)vfs_subr.c 8.31 (Berkeley) 5/26/95 - * $Id: vfs_subr.c,v 1.174 1998/12/04 22:54:51 archie Exp $ + * $Id: vfs_subr.c,v 1.175 1998/12/21 23:38:33 eivind Exp $ */ /* @@ -579,9 +579,12 @@ vinvalbuf(vp, flags, cred, p, slpflag, slptimeo) s = splbio(); while (vp->v_numoutput) { vp->v_flag |= VBWAIT; - tsleep((caddr_t)&vp->v_numoutput, - slpflag | (PRIBIO + 1), - "vinvlbuf", slptimeo); + error = tsleep((caddr_t)&vp->v_numoutput, + slpflag | (PRIBIO + 1), "vinvlbuf", slptimeo); + if (error) { + splx(s); + return (error); + } } if (!TAILQ_EMPTY(&vp->v_dirtyblkhd)) { splx(s); -- cgit v1.1