Module Name:    src
Committed By:   hannken
Date:           Sun May 26 10:22:07 UTC 2019

Modified Files:
        src/sys/dev: md.c

Log Message:
Take "sc_lock" after calling disk_ioctl() to make GPT partitioning work.


To generate a diff of this commit:
cvs rdiff -u -r1.80 -r1.81 src/sys/dev/md.c

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/md.c
diff -u src/sys/dev/md.c:1.80 src/sys/dev/md.c:1.81
--- src/sys/dev/md.c:1.80	Sat Mar  3 19:26:12 2018
+++ src/sys/dev/md.c	Sun May 26 10:22:07 2019
@@ -1,4 +1,4 @@
-/*	$NetBSD: md.c,v 1.80 2018/03/03 19:26:12 christos Exp $	*/
+/*	$NetBSD: md.c,v 1.81 2019/05/26 10:22:07 hannken Exp $	*/
 
 /*
  * Copyright (c) 1995 Gordon W. Ross, Leo Weppelman.
@@ -40,7 +40,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: md.c,v 1.80 2018/03/03 19:26:12 christos Exp $");
+__KERNEL_RCSID(0, "$NetBSD: md.c,v 1.81 2019/05/26 10:22:07 hannken Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_md.h"
@@ -479,21 +479,19 @@ mdioctl(dev_t dev, u_long cmd, void *dat
 	if ((sc = device_lookup_private(&md_cd, MD_UNIT(dev))) == NULL)
 		return ENXIO;
 
-	mutex_enter(&sc->sc_lock);
 	if (sc->sc_type != MD_UNCONFIGURED) {
 		error = disk_ioctl(&sc->sc_dkdev, dev, cmd, data, flag, l); 
 		if (error != EPASSTHROUGH) {
-			mutex_exit(&sc->sc_lock);
-			return 0;
+			return error;
 		}
 	}
 
 	/* If this is not the raw partition, punt! */
 	if (DISKPART(dev) != RAW_PART) {
-		mutex_exit(&sc->sc_lock);
 		return ENOTTY;
 	}
 
+	mutex_enter(&sc->sc_lock);
 	umd = (struct md_conf *)data;
 	error = EINVAL;
 	switch (cmd) {

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