tracing: fix sparse warnings: fix (un-)signedness

Fix these 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@hanneseder.net>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c
index fa64e1f..dc18b5b 100644 (file)
--- a/kernel/trace/ring_buffer.c
+++ b/kernel/trace/ring_buffer.c
@@ -59,7 +59,7 @@ 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
@@ -2501,7 +2501,7 @@ 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;
 
@@ -2517,9 +2517,9 @@ 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 c157ba7..e243499 100644 (file)
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2147,7 +2147,7 @@ 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))
@@ -2295,9 +2295,9 @@ 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))