Module Name: src
Committed By: tkusumi
Date: Mon Dec 9 15:54:59 UTC 2019
Modified Files:
src/sys/dev/dm: device-mapper.c
Log Message:
dm: Fix error handling in dmioctl()
Looks like cleanup_exit label is in a wrong place.
Should skip prop_dictionary_copyout_ioctl() on error.
To generate a diff of this commit:
cvs rdiff -u -r1.47 -r1.48 src/sys/dev/dm/device-mapper.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/dm/device-mapper.c
diff -u src/sys/dev/dm/device-mapper.c:1.47 src/sys/dev/dm/device-mapper.c:1.48
--- src/sys/dev/dm/device-mapper.c:1.47 Sat Dec 7 16:13:39 2019
+++ src/sys/dev/dm/device-mapper.c Mon Dec 9 15:54:59 2019
@@ -1,4 +1,4 @@
-/* $NetBSD: device-mapper.c,v 1.47 2019/12/07 16:13:39 tkusumi Exp $ */
+/* $NetBSD: device-mapper.c,v 1.48 2019/12/09 15:54:59 tkusumi Exp $ */
/*
* Copyright (c) 2010 The NetBSD Foundation, Inc.
@@ -355,20 +355,18 @@ dmioctl(dev_t dev, const u_long cmd, voi
int r;
prop_dictionary_t dm_dict_in;
- r = 0;
-
aprint_debug("dmioctl called\n");
KASSERT(data != NULL);
if ((r = disk_ioctl_switch(dev, cmd, data)) == ENOTTY) {
- struct plistref *pref = (struct plistref *) data;
+ struct plistref *pref = (struct plistref *)data;
/* Check if we were called with NETBSD_DM_IOCTL ioctl
otherwise quit. */
if ((r = dm_ioctl_switch(cmd)) != 0)
return r;
- if((r = prop_dictionary_copyin_ioctl(pref, cmd, &dm_dict_in))
+ if ((r = prop_dictionary_copyin_ioctl(pref, cmd, &dm_dict_in))
!= 0)
return r;
@@ -379,8 +377,8 @@ dmioctl(dev_t dev, const u_long cmd, voi
if ((r = dm_cmd_to_fun(dm_dict_in)) != 0)
goto cleanup_exit;
-cleanup_exit:
r = prop_dictionary_copyout_ioctl(pref, cmd, dm_dict_in);
+cleanup_exit:
prop_object_release(dm_dict_in);
}