aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/layerscape/patches-4.4/7187-staging-fsl-mc-dprc-fix-ordering-problem-freeing-res.patch
blob: c03e8d9b1f2d7e88691b007c4a4a1af587f5c0e8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
From b104ed7497745e2e6da214b37ef22edaf38098c7 Mon Sep 17 00:00:00 2001
From: Stuart Yoder <stuart.yoder@nxp.com>
Date: Wed, 22 Jun 2016 16:40:50 -0500
Subject: [PATCH 187/226] staging: fsl-mc: dprc: fix ordering problem freeing
 resources in remove of dprc

When unbinding a dprc from the dprc driver the cleanup of
the resource pools must happen after irq pool cleanup
is done.

Signed-off-by: Stuart Yoder <stuart.yoder@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 drivers/staging/fsl-mc/bus/dprc-driver.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

--- a/drivers/staging/fsl-mc/bus/dprc-driver.c
+++ b/drivers/staging/fsl-mc/bus/dprc-driver.c
@@ -796,16 +796,18 @@ static int dprc_remove(struct fsl_mc_dev
 		dprc_teardown_irq(mc_dev);
 
 	device_for_each_child(&mc_dev->dev, NULL, __fsl_mc_device_remove);
-	dprc_cleanup_all_resource_pools(mc_dev);
-	error = dprc_close(mc_dev->mc_io, 0, mc_dev->mc_handle);
-	if (error < 0)
-		dev_err(&mc_dev->dev, "dprc_close() failed: %d\n", error);
 
 	if (dev_get_msi_domain(&mc_dev->dev)) {
 		fsl_mc_cleanup_irq_pool(mc_bus);
 		dev_set_msi_domain(&mc_dev->dev, NULL);
 	}
 
+	dprc_cleanup_all_resource_pools(mc_dev);
+
+	error = dprc_close(mc_dev->mc_io, 0, mc_dev->mc_handle);
+	if (error < 0)
+		dev_err(&mc_dev->dev, "dprc_close() failed: %d\n", error);
+
 	if (!fsl_mc_is_root_dprc(&mc_dev->dev)) {
 		fsl_destroy_mc_io(mc_dev->mc_io);
 		mc_dev->mc_io = NULL;