linux-kernel - [ 049/105] bcma: fix unregistration of cores

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Date:	Sun, 28 Oct 2012 23:16:25 +0000
From:	Ben Hutchings <ben@...adent.org.uk>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	akpm@...ux-foundation.org, alan@...rguk.ukuu.org.uk,
	Piotr Haber <phaber@...adcom.com>,
	Stanislaw Gruszka <sgruszka@...hat.com>,
	Arend Van Spriel <arend@...adcom.com>,
	"John W. Linville" <linville@...driver.com>
Subject: [ 049/105] bcma: fix unregistration of cores

3.2-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Piotr Haber <phaber@...adcom.com>

commit 1fffa905adffbf0d3767fc978ef09afb830275eb upstream.

When cores are unregistered, entries
need to be removed from cores list in a safe manner.

Reported-by: Stanislaw Gruszka <sgruszka@...hat.com>
Reviewed-by: Arend Van Spriel <arend@...adcom.com>
Signed-off-by: Piotr Haber <phaber@...adcom.com>
Signed-off-by: John W. Linville <linville@...driver.com>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
 drivers/bcma/main.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 432aeee..d865470 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -158,9 +158,10 @@ static int bcma_register_cores(struct bcma_bus *bus)
 
 static void bcma_unregister_cores(struct bcma_bus *bus)
 {
-	struct bcma_device *core;
+	struct bcma_device *core, *tmp;
 
-	list_for_each_entry(core, &bus->cores, list) {
+	list_for_each_entry_safe(core, tmp, &bus->cores, list) {
+		list_del(&core->list);
 		if (core->dev_registered)
 			device_unregister(&core->dev);
 	}


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