linux-kernel - Re: [PATCH -next] iwlwifi: dbg: work around clang bug by marking debug strings static

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Message-ID: <e8054867214be2e12f1bbf2c21b62ac041b6cccb.camel@perches.com>
Date:   Wed, 07 Aug 2019 02:18:06 -0700
From:   Joe Perches <joe@...ches.com>
To:     Nathan Chancellor <natechancellor@...il.com>,
        Nick Desaulniers <ndesaulniers@...gle.com>
Cc:     Johannes Berg <johannes@...solutions.net>,
        Michael Ellerman <mpe@...erman.id.au>,
        Kalle Valo <kvalo@...eaurora.org>,
        Luca Coelho <luciano.coelho@...el.com>,
        Arnd Bergmann <arnd@...db.de>,
        Emmanuel Grumbach <emmanuel.grumbach@...el.com>,
        Intel Linux Wireless <linuxwifi@...el.com>,
        "David S. Miller" <davem@...emloft.net>,
        Shahar S Matityahu <shahar.s.matityahu@...el.com>,
        Sara Sharon <sara.sharon@...el.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        LKML <linux-kernel@...r.kernel.org>,
        clang-built-linux <clang-built-linux@...glegroups.com>
Subject: Re: [PATCH -next] iwlwifi: dbg: work around clang bug by marking
 debug strings static

On Tue, 2019-08-06 at 22:15 -0700, Nathan Chancellor wrote:
> Just for everyone else (since I commented on our issue tracker), this is
> now fixed in Linus's tree as of commit  1f6607250331 ("iwlwifi: dbg_ini:
> fix compile time assert build errors").

I think this change is incomplete and suggest you add this
to remove the use of another const char * format.

---
 drivers/net/wireless/intel/iwlwifi/fw/dbg.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
index 4d81776f576d..6b15e2e8cd37 100644
--- a/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
+++ b/drivers/net/wireless/intel/iwlwifi/fw/dbg.c
@@ -2593,20 +2593,20 @@ static void iwl_fw_dbg_update_regions(struct iwl_fw_runtime *fwrt,
 {
 	void *iter = (void *)tlv->region_config;
 	int i, size = le32_to_cpu(tlv->num_regions);
-	const char *err_st =
-		"WRT: ext=%d. Invalid region %s %d for apply point %d\n";
 
 	for (i = 0; i < size; i++) {
 		struct iwl_fw_ini_region_cfg *reg = iter, **active;
 		int id = le32_to_cpu(reg->region_id);
 		u32 type = le32_to_cpu(reg->region_type);
 
-		if (WARN(id >= ARRAY_SIZE(fwrt->dump.active_regs), err_st, ext,
-			 "id", id, pnt))
+		if (WARN(id >= ARRAY_SIZE(fwrt->dump.active_regs),
+			 "WRT: ext=%d. Invalid region id %d for apply point %d\n",
+			 ext, id, pnt))
 			break;
 
-		if (WARN(type == 0 || type >= IWL_FW_INI_REGION_NUM, err_st,
-			 ext, "type", type, pnt))
+		if (WARN(type == 0 || type >= IWL_FW_INI_REGION_NUM,
+			 "WRT: ext=%d. Invalid region type %d for apply point %d\n",
+			 ext, type, pnt))
 			break;
 
 		active = &fwrt->dump.active_regs[id];