Module Name: src
Committed By: pgoyette
Date: Mon Jan 11 01:37:36 UTC 2016
Modified Files:
src/sys/dev/filemon: filemon.c filemon.h
Log Message:
Take a reference on the (activity log) file itself, and not on the
descriptor.
Should fix PR kern/50627
To generate a diff of this commit:
cvs rdiff -u -r1.27 -r1.28 src/sys/dev/filemon/filemon.c
cvs rdiff -u -r1.8 -r1.9 src/sys/dev/filemon/filemon.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/sys/dev/filemon/filemon.c
diff -u src/sys/dev/filemon/filemon.c:1.27 src/sys/dev/filemon/filemon.c:1.28
--- src/sys/dev/filemon/filemon.c:1.27 Sat Jan 9 07:27:31 2016
+++ src/sys/dev/filemon/filemon.c Mon Jan 11 01:37:36 2016
@@ -1,4 +1,4 @@
-/* $NetBSD: filemon.c,v 1.27 2016/01/09 07:27:31 pgoyette Exp $ */
+/* $NetBSD: filemon.c,v 1.28 2016/01/11 01:37:36 pgoyette Exp $ */
/*
* Copyright (c) 2010, Juniper Networks, Inc.
*
@@ -25,7 +25,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: filemon.c,v 1.27 2016/01/09 07:27:31 pgoyette Exp $");
+__KERNEL_RCSID(0, "$NetBSD: filemon.c,v 1.28 2016/01/11 01:37:36 pgoyette Exp $");
#include <sys/param.h>
#include <sys/kernel.h>
@@ -227,7 +227,6 @@ filemon_open(dev_t dev, int oflags __unu
filemon = kmem_alloc(sizeof(struct filemon), KM_SLEEP);
rw_init(&filemon->fm_mtx);
- filemon->fm_fd = -1;
filemon->fm_fp = NULL;
filemon->fm_pid = curproc->p_pid;
@@ -270,7 +269,7 @@ filemon_close(struct file * fp)
*/
rw_enter(&filemon->fm_mtx, RW_WRITER);
if (filemon->fm_fp) {
- fd_putfile(filemon->fm_fd); /* release our reference */
+ closef(filemon->fm_fp); /* release our reference */
filemon->fm_fp = NULL;
}
rw_exit(&filemon->fm_mtx);
@@ -284,6 +283,7 @@ static int
filemon_ioctl(struct file * fp, u_long cmd, void *data)
{
int error = 0;
+ int fd;
struct filemon *filemon;
struct proc *tp;
@@ -306,11 +306,11 @@ filemon_ioctl(struct file * fp, u_long c
/* First, release any current output file descriptor */
if (filemon->fm_fp)
- fd_putfile(filemon->fm_fd);
+ closef(filemon->fm_fp);
/* Now set up the new one */
- filemon->fm_fd = *((int *) data);
- if ((filemon->fm_fp = fd_getfile(filemon->fm_fd)) == NULL) {
+ fd = *((int *) data);
+ if ((filemon->fm_fp = fd_getfile2(curproc, fd)) == NULL) {
error = EBADF;
break;
}
Index: src/sys/dev/filemon/filemon.h
diff -u src/sys/dev/filemon/filemon.h:1.8 src/sys/dev/filemon/filemon.h:1.9
--- src/sys/dev/filemon/filemon.h:1.8 Wed Nov 25 07:34:49 2015
+++ src/sys/dev/filemon/filemon.h Mon Jan 11 01:37:36 2016
@@ -1,4 +1,4 @@
-/* $NetBSD: filemon.h,v 1.8 2015/11/25 07:34:49 pgoyette Exp $ */
+/* $NetBSD: filemon.h,v 1.9 2016/01/11 01:37:36 pgoyette Exp $ */
/*
* Copyright (c) 2010, Juniper Networks, Inc.
*
@@ -41,7 +41,6 @@ struct filemon {
char fm_fname1[MAXPATHLEN];/* Temporary filename buffer. */
char fm_fname2[MAXPATHLEN];/* Temporary filename buffer. */
char fm_msgbufr[32 + 2 * MAXPATHLEN]; /* Output message buffer. */
- int fm_fd; /* Output fd */
struct file *fm_fp; /* Output file pointer. */
krwlock_t fm_mtx; /* Lock mutex for this filemon. */
TAILQ_ENTRY(filemon) fm_link; /* Link into the in-use list. */