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Return ENXIO if the softc pointer is NULL, in all likelyhood the

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disk is in the process of disappearing.

Approved by:	re/rwats*
This commit is contained in:
Poul-Henning Kamp 2003-05-21 18:52:29 +00:00
parent 02531bb0b0
commit 67fd2837cd
1 changed files with 4 additions and 0 deletions
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4
sys/geom/geom_disk.c
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@ -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: