linux-kernel - [PATCH 2/3] trace: fix sparse warnings: fix (un-)signedness

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Message-ID: <20090210184420.28131.58330.stgit@vmbox.hanneseder.net>
Date:	Tue, 10 Feb 2009 19:44:34 +0100
From:	Hannes Eder <hannes@...neseder.net>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	kernel-janitors@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] trace: fix sparse warnings: fix (un-)signedness

Fix this sparse warnings:
  kernel/trace/ring_buffer.c:70:37: warning: incorrect type in argument 2 (different signedness)
  kernel/trace/ring_buffer.c:84:39: warning: incorrect type in argument 2 (different signedness)
  kernel/trace/ring_buffer.c:96:43: warning: incorrect type in argument 2 (different signedness)
  kernel/trace/ring_buffer.c:2475:13: warning: incorrect type in argument 2 (different signedness)
  kernel/trace/ring_buffer.c:2475:13: warning: incorrect type in argument 2 (different signedness)
  kernel/trace/ring_buffer.c:2478:42: warning: incorrect type in argument 2 (different signedness)
  kernel/trace/ring_buffer.c:2478:42: warning: incorrect type in argument 2 (different signedness)
  kernel/trace/ring_buffer.c:2500:40: warning: incorrect type in argument 3 (different signedness)
  kernel/trace/ring_buffer.c:2505:44: warning: incorrect type in argument 2 (different signedness)
  kernel/trace/ring_buffer.c:2507:46: warning: incorrect type in argument 2 (different signedness)
  kernel/trace/trace.c:2130:40: warning: incorrect type in argument 3 (different signedness)
  kernel/trace/trace.c:2280:40: warning: incorrect type in argument 3 (different signedness)

Signed-off-by: Hannes Eder <hannes@...neseder.net>
---
 kernel/trace/ring_buffer.c |    8 ++++----
 kernel/trace/trace.c       |    6 +++---
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index aee76b3..6249e71 100644
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -57,7 +57,7 @@ enum {
 	RB_BUFFERS_DISABLED	= 1 << RB_BUFFERS_DISABLED_BIT,
 };
 
-static long ring_buffer_flags __read_mostly = RB_BUFFERS_ON;
+static unsigned long ring_buffer_flags __read_mostly = RB_BUFFERS_ON;
 
 /**
  * tracing_on - enable all tracing buffers
@@ -2468,7 +2468,7 @@ static ssize_t
 rb_simple_read(struct file *filp, char __user *ubuf,
 	       size_t cnt, loff_t *ppos)
 {
-	long *p = filp->private_data;
+	unsigned long *p = filp->private_data;
 	char buf[64];
 	int r;
 
@@ -2484,9 +2484,9 @@ static ssize_t
 rb_simple_write(struct file *filp, const char __user *ubuf,
 		size_t cnt, loff_t *ppos)
 {
-	long *p = filp->private_data;
+	unsigned long *p = filp->private_data;
 	char buf[64];
-	long val;
+	unsigned long val;
 	int ret;
 
 	if (cnt >= sizeof(buf))
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 0e7c84f..16b8be4 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2118,7 +2118,7 @@ tracing_ctrl_write(struct file *filp, const char __user *ubuf,
 {
 	struct trace_array *tr = filp->private_data;
 	char buf[64];
-	long val;
+	unsigned long val;
 	int ret;
 
 	if (cnt >= sizeof(buf))
@@ -2266,9 +2266,9 @@ static ssize_t
 tracing_max_lat_write(struct file *filp, const char __user *ubuf,
 		      size_t cnt, loff_t *ppos)
 {
-	long *ptr = filp->private_data;
+	unsigned long *ptr = filp->private_data;
 	char buf[64];
-	long val;
+	unsigned long val;
 	int ret;
 
 	if (cnt >= sizeof(buf))

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