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| author | bp <bp@FreeBSD.org> | 2001-03-26 03:10:07 +0000 |
|---|---|---|
| committer | bp <bp@FreeBSD.org> | 2001-03-26 03:10:07 +0000 |
| commit | 9aefd18cc80a8f27657aa1a59f80c55939d91408 (patch) | |
| tree | 9599424e462c65428eeee939df284273a453152d | |
| parent | a9337488a53e9397967f1bba9c80d6464670350c (diff) | |
| download | FreeBSD-src-9aefd18cc80a8f27657aa1a59f80c55939d91408.zip FreeBSD-src-9aefd18cc80a8f27657aa1a59f80c55939d91408.tar.gz | |
Prevent race condition by using msleep() instead of mtx_unlock()/tsleep().
Reviewed by: alfred
| -rw-r--r-- | sys/kern/vfs_vnops.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c index e60328d..bf33d16 100644 --- a/sys/kern/vfs_vnops.c +++ b/sys/kern/vfs_vnops.c @@ -625,8 +625,7 @@ debug_vn_lock(vp, flags, p, filename, line) mtx_lock(&vp->v_interlock); if ((vp->v_flag & VXLOCK) && vp->v_vxproc != curproc) { vp->v_flag |= VXWANT; - mtx_unlock(&vp->v_interlock); - tsleep((caddr_t)vp, PINOD, "vn_lock", 0); + msleep(vp, &vp->v_interlock, PINOD, "vn_lock", 0); error = ENOENT; } else { if (vp->v_vxproc != NULL) |
