linux-kernel - [PATCH 4.9 226/240] kgdb: fix gcc-11 warning on indentation

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Message-Id: <20210520092116.303133897@linuxfoundation.org>
Date:   Thu, 20 May 2021 11:23:38 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Arnd Bergmann <arnd@...db.de>
Subject: [PATCH 4.9 226/240] kgdb: fix gcc-11 warning on indentation

From: Arnd Bergmann <arnd@...db.de>

commit 40cc3a80bb42587db1e6ae21d6f3090582d33e89 upstream.

gcc-11 starts warning about misleading indentation inside of macros:

drivers/misc/kgdbts.c: In function ‘kgdbts_break_test’:
drivers/misc/kgdbts.c:103:9: error: this ‘if’ clause does not guard... [-Werror=misleading-indentation]
  103 |         if (verbose > 1) \
      |         ^~
drivers/misc/kgdbts.c:200:9: note: in expansion of macro ‘v2printk’
  200 |         v2printk("kgdbts: breakpoint complete\n");
      |         ^~~~~~~~
drivers/misc/kgdbts.c:105:17: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘if’
  105 |                 touch_nmi_watchdog();   \
      |                 ^~~~~~~~~~~~~~~~~~

The code looks correct to me, so just reindent it for readability.

Fixes: e8d31c204e36 ("kgdb: add kgdb internal test suite")
Acked-by: Daniel Thompson <daniel.thompson@...aro.org>
Signed-off-by: Arnd Bergmann <arnd@...db.de>
Link: https://lore.kernel.org/r/20210322164308.827846-1-arnd@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/misc/kgdbts.c |   26 +++++++++++++-------------
 1 file changed, 13 insertions(+), 13 deletions(-)

--- a/drivers/misc/kgdbts.c
+++ b/drivers/misc/kgdbts.c
@@ -105,19 +105,19 @@
 #include <linux/module.h>
 #include <asm/sections.h>
 
-#define v1printk(a...) do { \
-	if (verbose) \
-		printk(KERN_INFO a); \
-	} while (0)
-#define v2printk(a...) do { \
-	if (verbose > 1) \
-		printk(KERN_INFO a); \
-		touch_nmi_watchdog();	\
-	} while (0)
-#define eprintk(a...) do { \
-		printk(KERN_ERR a); \
-		WARN_ON(1); \
-	} while (0)
+#define v1printk(a...) do {		\
+	if (verbose)			\
+		printk(KERN_INFO a);	\
+} while (0)
+#define v2printk(a...) do {		\
+	if (verbose > 1)		\
+		printk(KERN_INFO a);	\
+	touch_nmi_watchdog();		\
+} while (0)
+#define eprintk(a...) do {		\
+	printk(KERN_ERR a);		\
+	WARN_ON(1);			\
+} while (0)
 #define MAX_CONFIG_LEN		40
 
 static struct kgdb_io kgdbts_io_ops;