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-rw-r--r--sys/geom/geom_disk.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/geom/geom_disk.c b/sys/geom/geom_disk.c
index b55ea60..e6f7652 100644
--- a/sys/geom/geom_disk.c
+++ b/sys/geom/geom_disk.c
@@ -194,6 +194,10 @@ g_disk_start(struct bio *bp)
case BIO_READ:
case BIO_WRITE:
bp2 = g_clone_bio(bp);
+ if (bp2 == NULL) {
+ error = ENOMEM;
+ break;
+ }
bp2->bio_done = g_disk_done;
bp2->bio_blkno = bp2->bio_offset >> DEV_BSHIFT;
bp2->bio_pblkno = bp2->bio_offset / dp->d_sectorsize;
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