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VOP_PATHCONF() requires a vnode lock; this patch adds locking to

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fpathconf(). The lock is held for direct calls to VOP_PATHCONF() in
pathconf() already.

Approved by:	re (jhb)
Pointed out by:	DEBUG_VFS_LOCKS
This commit is contained in:
Robert Watson 2003-05-15 21:13:08 +00:00
parent 7042ac8cd7
commit c1dca9ab07
1 changed files with 2 additions and 0 deletions
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2
sys/kern/kern_descrip.c
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@ -986,7 +986,9 @@ fpathconf(td, uap)
case DTYPE_VNODE:
vp = fp->f_data;
mtx_lock(&Giant);
vn_lock(vp, LK_EXCLUSIVE | LK_RETRY, td);
error = VOP_PATHCONF(vp, uap->name, td->td_retval);
VOP_UNLOCK(vp, 0, td);
mtx_unlock(&Giant);
break;
default: