diff options
| author | phk <phk@FreeBSD.org> | 2003-08-13 06:42:56 +0000 |
|---|---|---|
| committer | phk <phk@FreeBSD.org> | 2003-08-13 06:42:56 +0000 |
| commit | b35539c7d2df26a29a35790df6a256de016ed94b (patch) | |
| tree | 99e5134e903ffb882435d23ae75e8d98613052eb /sys/geom/geom_io.c | |
| parent | 8e205a2f0435f04b31b91c85b8feeb21b6538852 (diff) | |
| download | FreeBSD-src-b35539c7d2df26a29a35790df6a256de016ed94b.zip FreeBSD-src-b35539c7d2df26a29a35790df6a256de016ed94b.tar.gz | |
In case we encounter a zero sectorsize provider in g_io_check(), fail
the request with a printf rather than a divide by zero error.
Diffstat (limited to 'sys/geom/geom_io.c')
| -rw-r--r-- | sys/geom/geom_io.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/geom/geom_io.c b/sys/geom/geom_io.c index 4bed6f6..65828d9 100644 --- a/sys/geom/geom_io.c +++ b/sys/geom/geom_io.c @@ -209,6 +209,12 @@ g_io_check(struct bio *bp) case BIO_READ: case BIO_WRITE: case BIO_DELETE: + /* Noisily reject zero size sectors */ + if (pp->sectorsize == 0) { + printf("GEOM provider %s has zero sectorsize\n", + pp->name); + return (EDOOFUS); + } /* Reject I/O not on sector boundary */ if (bp->bio_offset % pp->sectorsize) return (EINVAL); |
