diff options
| author | phk <phk@FreeBSD.org> | 2003-05-21 18:52:29 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2003-05-21 18:52:29 +0000 |
| commit | 8539560193d5a40e03564489a8cf352e40513b7b (patch) | |
| tree | b1da48ace3cd2c4daffadaecbc4da5b52e772073 /sys/geom/geom_disk.c | |
| parent | 6fc42a13358f1d43c4b51c4e827c470812d9a899 (diff) | |
| download | FreeBSD-src-8539560193d5a40e03564489a8cf352e40513b7b.zip FreeBSD-src-8539560193d5a40e03564489a8cf352e40513b7b.tar.gz | |
Return ENXIO if the softc pointer is NULL, in all likelyhood the
disk is in the process of disappearing.
Approved by: re/rwats*
Diffstat (limited to 'sys/geom/geom_disk.c')
| -rw-r--r-- | sys/geom/geom_disk.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/geom/geom_disk.c b/sys/geom/geom_disk.c index 73c7221..84ca409 100644 --- a/sys/geom/geom_disk.c +++ b/sys/geom/geom_disk.c @@ -104,6 +104,8 @@ g_disk_access(struct g_provider *pp, int r, int w, int e) w += pp->acw; e += pp->ace; dp = pp->geom->softc; + if (dp == NULL) + return (ENXIO); error = 0; if ((pp->acr + pp->acw + pp->ace) == 0 && (r + w + e) > 0) { if (dp->d_open != NULL) { @@ -193,6 +195,8 @@ g_disk_start(struct bio *bp) off_t off; dp = bp->bio_to->geom->softc; + if (dp == NULL) + g_io_deliver(bp, ENXIO); error = EJUSTRETURN; switch(bp->bio_cmd) { case BIO_DELETE: |
