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authorBing Zhao <bzhao@marvell.com>2013-03-16 02:47:07 +0100
committerJohn W. Linville <linville@tuxdriver.com>2013-03-18 20:20:38 +0100
commit084c7189acb3f969c855536166042e27f5dd703f (patch)
tree215f39dcee2c53e7f59459c26296ec934fa52bf6
parentmwifiex: skip pending commands after function shutdown (diff)
downloadlinux-084c7189acb3f969c855536166042e27f5dd703f.tar.xz
linux-084c7189acb3f969c855536166042e27f5dd703f.zip
mwifiex: cancel cmd timer and free curr_cmd in shutdown process
curr_cmd points to the command that is in processing or waiting for its command response from firmware. If the function shutdown happens to occur at this time we should cancel the cmd timer and put the command back to free queue. Cc: <stable@vger.kernel.org> # 3.8 Tested-by: Marco Cesarano <marco@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
-rw-r--r--drivers/net/wireless/mwifiex/init.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c
index e38aa9b3663d..0ff4c37ab42a 100644
--- a/drivers/net/wireless/mwifiex/init.c
+++ b/drivers/net/wireless/mwifiex/init.c
@@ -709,6 +709,14 @@ mwifiex_shutdown_drv(struct mwifiex_adapter *adapter)
return ret;
}
+ /* cancel current command */
+ if (adapter->curr_cmd) {
+ dev_warn(adapter->dev, "curr_cmd is still in processing\n");
+ del_timer(&adapter->cmd_timer);
+ mwifiex_insert_cmd_to_free_q(adapter, adapter->curr_cmd);
+ adapter->curr_cmd = NULL;
+ }
+
/* shut down mwifiex */
dev_dbg(adapter->dev, "info: shutdown mwifiex...\n");