diff options
Diffstat (limited to 'sys/kern/vfs_bio.c')
-rw-r--r-- | sys/kern/vfs_bio.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/vfs_bio.c b/sys/kern/vfs_bio.c index 688f4c0..e85a2d3 100644 --- a/sys/kern/vfs_bio.c +++ b/sys/kern/vfs_bio.c @@ -3029,7 +3029,11 @@ bufwait(register struct buf * bp) void bufdonebio(struct bio *bp) { + + /* Device drivers may or may not hold giant, hold it here. */ + mtx_lock(&Giant); bufdone(bp->bio_caller2); + mtx_unlock(&Giant); } /* |