Patchwork [186/270] bcma: fix unregistration of cores

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Submitter Herton Ronaldo Krzesinski
Date Nov. 26, 2012, 4:57 p.m.
Message ID <1353949160-26803-187-git-send-email-herton.krzesinski@canonical.com>
Download mbox | patch
Permalink /patch/201918/
State New
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Herton Ronaldo Krzesinski - Nov. 26, 2012, 4:57 p.m.
3.5.7u1 -stable review patch.  If anyone has any objections, please let me know.

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

From: Piotr Haber <phaber@broadcom.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@redhat.com>
Reviewed-by: Arend Van Spriel <arend@broadcom.com>
Signed-off-by: Piotr Haber <phaber@broadcom.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: Herton Ronaldo Krzesinski <herton.krzesinski@canonical.com>
---
 drivers/bcma/main.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

Patch

diff --git a/drivers/bcma/main.c b/drivers/bcma/main.c
index 7e138ec..edb9233 100644
--- a/drivers/bcma/main.c
+++ b/drivers/bcma/main.c
@@ -131,9 +131,10 @@  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);
 	}