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falloc: grab fd_slock when calling fd_unused.

This commit is contained in:
yamt 2006-01-31 14:02:10 +00:00
parent c3a7ca1d6d
commit d9b9d1ddc8
1 changed files with 4 additions and 2 deletions
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6
sys/kern/kern_descrip.c
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@ -1,4 +1,4 @@
/* $NetBSD: kern_descrip.c,v 1.139 2005/12/24 19:12:23 perry Exp $ */
/* $NetBSD: kern_descrip.c,v 1.140 2006/01/31 14:02:10 yamt Exp $ */
/*
* Copyright (c) 1982, 1986, 1989, 1991, 1993
@ -37,7 +37,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: kern_descrip.c,v 1.139 2005/12/24 19:12:23 perry Exp $");
__KERNEL_RCSID(0, "$NetBSD: kern_descrip.c,v 1.140 2006/01/31 14:02:10 yamt Exp $");
#include <sys/param.h>
#include <sys/systm.h>
@ -991,7 +991,9 @@ falloc(struct proc *p, struct file **resultfp, int *resultfd)
if (nfiles >= maxfiles) {
tablefull("file", "increase kern.maxfiles or MAXFILES");
simple_unlock(&filelist_slock);
simple_lock(&p->p_fd->fd_slock);
fd_unused(p->p_fd, i);
simple_unlock(&p->p_fd->fd_slock);
pool_put(&file_pool, fp);
return (ENFILE);
}