linux-kernel - Re: [PATCH] ath5k: fix build break from "ath5k: Print out opmode in debugfs"

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Date:	Tue, 12 Oct 2010 08:43:24 -0700
From:	Joe Perches <joe@...ches.com>
To:	"John W. Linville" <linville@...driver.com>
Cc:	linux-wireless@...r.kernel.org,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Ben Greear <greearb@...delatech.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] ath5k: fix build break from "ath5k: Print out opmode
 in debugfs"

On Tue, 2010-10-12 at 10:53 -0400, John W. Linville wrote:
> Without this and with CONFIG_ATH_DEBUG not set...
> ERROR: ".ath_opmode_to_string" [drivers/net/wireless/ath/ath5k/ath5k.ko] undefined!

Perhaps this instead?

Signed-off-by: Joe Perches <joe@...ches.com>
---
 drivers/net/wireless/ath/debug.h |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/net/wireless/ath/debug.h b/drivers/net/wireless/ath/debug.h
index a3a5a62..5013045 100644
--- a/drivers/net/wireless/ath/debug.h
+++ b/drivers/net/wireless/ath/debug.h
@@ -78,6 +78,13 @@ ath_print(struct ath_common *common, int dbg_mask, const char *fmt, ...)
 #endif /* CONFIG_ATH_DEBUG */
 
 /** Returns string describing opmode, or NULL if unknown mode. */
+#ifdef CONFIG_ATH_DEBUG
 const char *ath_opmode_to_string(enum nl80211_iftype opmode);
+#else
+static inline const char *ath_opmode_to_string(enum nl80211_iftype opmode)
+{
+	return NULL;
+}
+#endif
 
 #endif /* ATH_DEBUG_H */


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