linux-kernel - RE: [built bug] drivers/net/wireless/iwlwifi/iwl-debugfs.c

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Date:	Mon, 21 Apr 2008 19:32:09 +0300
From:	"Winkler, Tomas" <tomas.winkler@...el.com>
To:	"David Miller" <davem@...emloft.net>, <mingo@...e.hu>,
	"Chatre, Reinette" <reinette.chatre@...el.com>
Cc:	<linville@...driver.com>, <linux-kernel@...r.kernel.org>,
	<kaber@...sh.net>, <torvalds@...ux-foundation.org>,
	<akpm@...ux-foundation.org>, <netdev@...r.kernel.org>,
	<netfilter-devel@...r.kernel.org>
Subject: RE: [built bug] drivers/net/wireless/iwlwifi/iwl-debugfs.c



>-----Original Message-----
>From: David Miller [mailto:davem@...emloft.net]
>Sent: Sunday, April 20, 2008 4:09 AM
>To: mingo@...e.hu
>Cc: linville@...driver.com; Winkler, Tomas;
linux-kernel@...r.kernel.org;
>kaber@...sh.net; torvalds@...ux-foundation.org;
akpm@...ux-foundation.org;
>netdev@...r.kernel.org; netfilter-devel@...r.kernel.org
>Subject: Re: [built bug] drivers/net/wireless/iwlwifi/iwl-debugfs.c
>
>From: Ingo Molnar <mingo@...e.hu>
>Date: Sat, 19 Apr 2008 15:56:02 +0200
>
>> drivers/net/wireless/iwlwifi/iwl-debugfs.c: In function
>'iwl_dbgfs_stations_read':
>> drivers/net/wireless/iwlwifi/iwl-debugfs.c:256: error: 'struct
>iwl4965_tid_data' has no member named 'agg'
>
>This should fix it, thanks for the report.
>
>Longer term, I seriously question the sanity of including iwl4964
>specific dumping into a debug module that is linked into both
>iwlwifi drivers :-/
>
>iwlwifi: Fix unconditional access to station->tidp[].agg.
>
>Reportred by Ingo Molnar:
>
>drivers/net/wireless/iwlwifi/iwl-debugfs.c: In function
>'iwl_dbgfs_stations_read':
>drivers/net/wireless/iwlwifi/iwl-debugfs.c:256: error: 'struct
>iwl4965_tid_data' has no member named 'agg'
>
>Needs CONFIG_IWL4965_HT protection.
>
>Signed-off-by: David S. Miller <davem@...emloft.net>
>
>diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
>b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
>index 0f16f26..9a30e1d 100644
>--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
>+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
>@@ -239,28 +239,34 @@ static ssize_t iwl_dbgfs_stations_read(struct
file
>*file, char __user *user_buf,
> 					"ps_status: %u\n",
station->ps_status);
> 			pos += scnprintf(buf + pos, bufsz - pos, "tid
data:\n");
> 			pos += scnprintf(buf + pos, bufsz - pos,
>-					"seq_num\t\ttxq_id\t");
>+					"seq_num\t\ttxq_id");
>+#ifdef CONFIG_IWL4965_HT
> 			pos += scnprintf(buf + pos, bufsz - pos,
>-					"frame_count\twait_for_ba\t");
>+					"\tframe_count\twait_for_ba\t");
> 			pos += scnprintf(buf + pos, bufsz - pos,
> 					"start_idx\tbitmap0\t");
> 			pos += scnprintf(buf + pos, bufsz - pos,
>-					"bitmap1\trate_n_flags\n");
>+					"bitmap1\trate_n_flags");
>+#endif
>+			pos += scnprintf(buf + pos, bufsz - pos, "\n");
>
> 			for (j = 0; j < MAX_TID_COUNT; j++) {
> 				pos += scnprintf(buf + pos, bufsz - pos,
>-						"[%d]:\t\t%u\t", j,
>+						"[%d]:\t\t%u", j,
>
station->tid[j].seq_number);
>+#ifdef CONFIG_IWL4965_HT
> 				pos += scnprintf(buf + pos, bufsz - pos,
>-						"%u\t\t%u\t\t%u\t\t",
>+						"\t%u\t\t%u\t\t%u\t\t",
>
station->tid[j].agg.txq_id,
>
station->tid[j].agg.frame_count,
>
station->tid[j].agg.wait_for_ba);
> 				pos += scnprintf(buf + pos, bufsz - pos,
>-						"%u\t%llu\t%u\n",
>+						"%u\t%llu\t%u",
>
station->tid[j].agg.start_idx,
> 						(unsigned long
long)station-
>>tid[j].agg.bitmap,
>
station->tid[j].agg.rate_n_flags);
>+#endif
>+				pos += scnprintf(buf + pos, bufsz - pos,
"\n");
> 			}
> 			pos += scnprintf(buf + pos, bufsz - pos, "\n");
>

ACK
 		}
---------------------------------------------------------------------
Intel Israel (74) Limited

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