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Deal explicitly with possible failures of make_dev_alias_p() in GEOM.

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Submitted by:   Mariusz Zaborski <oshogbo@FreeBSD.org>
MFC after:      3 days
This commit is contained in:
Scott Long 2014-08-18 19:27:47 +00:00
parent d17fa074a7
commit 274919e965
1 changed files with 5 additions and 3 deletions
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8
sys/geom/geom_dev.c
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@ -251,9 +251,10 @@ g_dev_taste(struct g_class *mp, struct g_provider *pp, int insist __unused)
snprintf(buf, sizeof(buf), "%s%s",
val, gp->name + len);
freeenv(val);
make_dev_alias_p(MAKEDEV_CHECKNAME | MAKEDEV_WAITOK,
&adev, dev, "%s", buf);
adev->si_flags |= SI_UNMAPPED;
if ((make_dev_alias_p(MAKEDEV_CHECKNAME|MAKEDEV_WAITOK,
&adev, dev, "%s", buf)) != 0)
printf("Warning: unable to create device "
"alias %s\n", buf);
break;
}
}
@ -263,6 +264,7 @@ g_dev_taste(struct g_class *mp, struct g_provider *pp, int insist __unused)
if (adev != NULL) {
adev->si_iosize_max = MAXPHYS;
adev->si_drv2 = cp;
adev->si_flags |= SI_UNMAPPED;
}
g_dev_attrchanged(cp, "GEOM::physpath");