linux-kernel - [PATCH 1/4] kdb: cleanup unused variables missed in the original kdb merge

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Message-ID: <1312225260-1028-2-git-send-email-jason.wessel@windriver.com>
Date:	Mon, 1 Aug 2011 14:00:57 -0500
From:	Jason Wessel <jason.wessel@...driver.com>
To:	<torvalds@...ux-foundation.org>
CC:	<linux-kernel@...r.kernel.org>,
	<kgdb-bugreport@...ts.sourceforge.net>
Subject: [PATCH 1/4] kdb: cleanup unused variables missed in the original kdb merge

The BTARGS and BTSYMARG variables do not have any function in the
mainline version of kdb.

Reported-by: Tim Bird <tim.bird@...sony.com>
Signed-off-by: Jason Wessel <jason.wessel@...driver.com>
---
 kernel/debug/kdb/kdb_bt.c   |    5 ++---
 kernel/debug/kdb/kdb_cmds   |    4 ----
 kernel/debug/kdb/kdb_main.c |    2 +-
 3 files changed, 3 insertions(+), 8 deletions(-)

diff --git a/kernel/debug/kdb/kdb_bt.c b/kernel/debug/kdb/kdb_bt.c
index 2f62fe8..7179eac 100644
--- a/kernel/debug/kdb/kdb_bt.c
+++ b/kernel/debug/kdb/kdb_bt.c
@@ -112,9 +112,8 @@ kdb_bt(int argc, const char **argv)
 	unsigned long addr;
 	long offset;
 
-	kdbgetintenv("BTARGS", &argcount);	/* Arguments to print */
-	kdbgetintenv("BTAPROMPT", &btaprompt);	/* Prompt after each
-						 * proc in bta */
+	/* Prompt after each proc in bta */
+	kdbgetintenv("BTAPROMPT", &btaprompt);
 
 	if (strcmp(argv[0], "bta") == 0) {
 		struct task_struct *g, *p;
diff --git a/kernel/debug/kdb/kdb_cmds b/kernel/debug/kdb/kdb_cmds
index 56c88e4..9834ad3 100644
--- a/kernel/debug/kdb/kdb_cmds
+++ b/kernel/debug/kdb/kdb_cmds
@@ -18,16 +18,12 @@ defcmd dumpcommon "" "Common kdb debugging"
 endefcmd
 
 defcmd dumpall "" "First line debugging"
-  set BTSYMARG 1
-  set BTARGS 9
   pid R
   -dumpcommon
   -bta
 endefcmd
 
 defcmd dumpcpu "" "Same as dumpall but only tasks on cpus"
-  set BTSYMARG 1
-  set BTARGS 9
   pid R
   -dumpcommon
   -btc
diff --git a/kernel/debug/kdb/kdb_main.c b/kernel/debug/kdb/kdb_main.c
index be14779..b33116e 100644
--- a/kernel/debug/kdb/kdb_main.c
+++ b/kernel/debug/kdb/kdb_main.c
@@ -145,7 +145,6 @@ static char *__env[] = {
 #endif
  "RADIX=16",
  "MDCOUNT=8",			/* lines of md output */
- "BTARGS=9",			/* 9 possible args in bt */
  KDB_PLATFORM_ENV,
  "DTABCOUNT=30",
  "NOSECT=1",
@@ -172,6 +171,7 @@ static char *__env[] = {
  (char *)0,
  (char *)0,
  (char *)0,
+ (char *)0,
 };
 
 static const int __nenv = (sizeof(__env) / sizeof(char *));
-- 
1.7.1

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