usermodehelper: use UMH_WAIT_PROC consistently

A few call_usermodehelper() callers use the hardcoded constant instead of
the proper UMH_WAIT_PROC, fix them.
Reported-by: Tetsuo Handa <penguin-kernel@i-love.sakura.ne.jp>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>
Cc: Lars Ellenberg <drbd-dev@lists.linbit.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Michal Januszewski <spock@gentoo.org>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Kentaro Takeda <takedakn@nttdata.co.jp>
Cc: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: James Morris <jmorris@namei.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/block/drbd/drbd_nl.c

@@ -179,7 +179,7 @@ int drbd_khelper(struct drbd_conf *mdev, char *cmd)
 	dev_info(DEV, "helper command: %s %s %s\n", usermode_helper, cmd, mb);
 
 	drbd_bcast_ev_helper(mdev, cmd);
-	ret = call_usermodehelper(usermode_helper, argv, envp, 1);
+	ret = call_usermodehelper(usermode_helper, argv, envp, UMH_WAIT_PROC);
 	if (ret)
 		dev_warn(DEV, "helper command: %s %s %s exit code %u (0x%x)\n",
 				usermode_helper, cmd, mb,

drivers/staging/rtl8187se/r8180_core.c

@@ -4159,7 +4159,7 @@ void GPIOChangeRFWorkItemCallBack(struct work_struct *work)
 		argv[0] = RadioPowerPath;
 		argv[2] = NULL;
 
-		call_usermodehelper(RadioPowerPath, argv, envp, 1);
+		call_usermodehelper(RadioPowerPath, argv, envp, UMH_WAIT_PROC);
 	}
 }
 

drivers/staging/rtl8192e/rtl8192e/rtl_dm.c

@@ -208,7 +208,7 @@ static void dm_check_ac_dc_power(struct net_device *dev)
 
 	if (priv->rtllib->state != RTLLIB_LINKED)
 		return;
-	call_usermodehelper(ac_dc_check_script_path, argv, envp, 1);
+	call_usermodehelper(ac_dc_check_script_path, argv, envp, UMH_WAIT_PROC);
 
 	return;
 };
@@ -2296,7 +2296,7 @@ void dm_CheckRfCtrlGPIO(void *data)
 
 		argv[0] = RadioPowerPath;
 		argv[2] = NULL;
-		call_usermodehelper(RadioPowerPath, argv, envp, 1);
+		call_usermodehelper(RadioPowerPath, argv, envp, UMH_WAIT_PROC);
 	}
 }
 

drivers/video/uvesafb.c

@@ -121,7 +121,7 @@ static int uvesafb_helper_start(void)
 		NULL,
 	};
 
-	return call_usermodehelper(v86d_path, argv, envp, 1);
+	return call_usermodehelper(v86d_path, argv, envp, UMH_WAIT_PROC);
 }
 
 /*

security/tomoyo/load_policy.c

@@ -102,7 +102,7 @@ void tomoyo_load_policy(const char *filename)
 	envp[0] = "HOME=/";
 	envp[1] = "PATH=/sbin:/bin:/usr/sbin:/usr/bin";
 	envp[2] = NULL;
-	call_usermodehelper(argv[0], argv, envp, 1);
+	call_usermodehelper(argv[0], argv, envp, UMH_WAIT_PROC);
 	tomoyo_check_profile();
 }