From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from dakia2.marvell.com ([65.219.4.35]:45397 "EHLO dakia2.marvell.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757094Ab1DFXmu (ORCPT ); Wed, 6 Apr 2011 19:42:50 -0400 From: Bing Zhao To: linux-wireless@vger.kernel.org Cc: "John W. Linville" , Johannes Berg , Amitkumar Karwar , Kiran Divekar , Yogesh Powar , Marc Yang , Frank Huang , Bing Zhao Subject: [PATCH 1/2] mwifiex: fix cmd_skb headroom decreasing issue Date: Wed, 6 Apr 2011 16:46:55 -0700 Message-Id: <1302133616-6595-1-git-send-email-bzhao@marvell.com> Sender: linux-wireless-owner@vger.kernel.org List-ID: Before calling host_to_card() to send the cmd to firmware, we use skb_push() to add 4 bytes SDIO interface header at the start of the data buffer. Since cmd_skb data structure will be re-used at a later time, we need to restore its headroom by removing the 4 bytes header. Signed-off-by: Bing Zhao Signed-off-by: Marc Yang Signed-off-by: Yogesh Ashok Powar --- drivers/net/wireless/mwifiex/cmdevt.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c index a9aeb31..8676480 100644 --- a/drivers/net/wireless/mwifiex/cmdevt.c +++ b/drivers/net/wireless/mwifiex/cmdevt.c @@ -206,6 +206,8 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, cmd_node->cmd_skb->data, cmd_node->cmd_skb->len, NULL); + skb_pull(cmd_node->cmd_skb, INTF_HEADER_LEN); + if (ret == -1) { dev_err(adapter->dev, "DNLD_CMD: host to card failed\n"); if (wait_queue) -- 1.7.0.2