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| author | rwatson <rwatson@FreeBSD.org> | 2005-09-23 12:39:51 +0000 |
|---|---|---|
| committer | rwatson <rwatson@FreeBSD.org> | 2005-09-23 12:39:51 +0000 |
| commit | 27cf2ffed6ab878fe56ecef39c9e1da8571db4fc (patch) | |
| tree | 85ce93fdd6d079336f4555b44efc849dfd645b25 /sys/fs | |
| parent | 078b3f89c7812a374b9933840ac165dcf3546d19 (diff) | |
| download | FreeBSD-src-27cf2ffed6ab878fe56ecef39c9e1da8571db4fc.zip FreeBSD-src-27cf2ffed6ab878fe56ecef39c9e1da8571db4fc.tar.gz | |
For reasons of consistency (and necessity), assert an exclusive vnode
lock on the fifo vnode in fifo_open(): we rely on the vnode lock to
serialize access to v_fifoinfo.
MFC after: 3 days
Diffstat (limited to 'sys/fs')
| -rw-r--r-- | sys/fs/fifofs/fifo_vnops.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/fs/fifofs/fifo_vnops.c b/sys/fs/fifofs/fifo_vnops.c index 1942802..f47b826 100644 --- a/sys/fs/fifofs/fifo_vnops.c +++ b/sys/fs/fifofs/fifo_vnops.c @@ -185,6 +185,7 @@ fifo_open(ap) struct file *fp; int error; + ASSERT_VOP_LOCKED(vp, "fifo_open"); if ((fip = vp->v_fifoinfo) == NULL) { MALLOC(fip, struct fifoinfo *, sizeof(*fip), M_VNODE, M_WAITOK | M_ZERO); |
