[PATCH 3/6] cpupower tools: Fix minor warnings

[Palmer Cox]

Fix minor warnings reported with GCC 4.6:
* The sysfs_write_file function is unused - remove it.
* The pr_mon_len in the print_header function is unsed - remove it.
---
 tools/power/cpupower/utils/helpers/sysfs.c         |   19 -------------------
 .../cpupower/utils/idle_monitor/cpupower-monitor.c |    3 +--
 2 files changed, 1 insertion(+), 21 deletions(-)

diff --git a/tools/power/cpupower/utils/helpers/sysfs.c 
b/tools/power/cpupower/utils/helpers/sysfs.c
index 96e28c1..38ab916 100644
--- a/tools/power/cpupower/utils/helpers/sysfs.c
+++ b/tools/power/cpupower/utils/helpers/sysfs.c
@@ -37,25 +37,6 @@ unsigned int sysfs_read_file(const char *path, char *buf, 
size_t buflen)
        return (unsigned int) numread;
 }
 
-static unsigned int sysfs_write_file(const char *path,
-                                    const char *value, size_t len)
-{
-       int fd;
-       ssize_t numwrite;
-
-       fd = open(path, O_WRONLY);
-       if (fd == -1)
-               return 0;
-
-       numwrite = write(fd, value, len);
-       if (numwrite < 1) {
-               close(fd);
-               return 0;
-       }
-       close(fd);
-       return (unsigned int) numwrite;
-}
-
 /*
  * Detect whether a CPU is online
  *
diff --git a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c 
b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
index 0d6571e..7a657f3 100644
--- a/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
+++ b/tools/power/cpupower/utils/idle_monitor/cpupower-monitor.c
@@ -84,7 +84,7 @@ int fill_string_with_spaces(char *s, int n)
 void print_header(int topology_depth)
 {
        int unsigned mon;
-       int state, need_len, pr_mon_len;
+       int state, need_len;
        cstate_t s;
        char buf[128] = "";
        int percent_width = 4;
@@ -93,7 +93,6 @@ void print_header(int topology_depth)
        printf("%s|", buf);
 
        for (mon = 0; mon < avail_monitors; mon++) {
-               pr_mon_len = 0;
                need_len = monitors[mon]->hw_states_num * (percent_width + 3)
                        - 1;
                if (mon != 0) {
-- 
1.7.9.5

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