Documentation: Fix int/unsigned int comparison

Signed int - unsigned int comparison fixed in mpssd, prctl, ptp, and
timers in Documentation. In places where 'int argc' and 'const char
**argv' are not used, they are replaced with void

Documentation/mic/mpssd/mpssd.c: Fixed comparison in sum_iovec_len and
disp_iovec

Documentation/prctl/disable-tsc-ctxt-sw-stress-test.c: main signature
changed to void, as parameters 'argc' and 'argv' are never used

Documentation/prctl/disable-tsc-on-off-stress-test.c: main signature
changed to void

Documentation/prctl/disable-tsc-test.c: main signature changed to void

Documentation/ptp/testptp.c: Sign comparison fix
Documentation/timers/hpet_example.c: Sign comparision fix

Signed-off-by: Mahesh Khanwalkar <maheshkhanwalkar@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
diff --git a/Documentation/mic/mpssd/mpssd.c b/Documentation/mic/mpssd/mpssd.c
index aaeafa1..7ce1e53 100644
--- a/Documentation/mic/mpssd/mpssd.c
+++ b/Documentation/mic/mpssd/mpssd.c
@@ -349,7 +349,7 @@
 sum_iovec_len(struct mic_copy_desc *copy)
 {
 	ssize_t sum = 0;
-	int i;
+	unsigned int i;
 
 	for (i = 0; i < copy->iovcnt; i++)
 		sum += copy->iov[i].iov_len;
@@ -372,7 +372,7 @@
 disp_iovec(struct mic_info *mic, struct mic_copy_desc *copy,
 	   const char *s, int line)
 {
-	int i;
+	unsigned int i;
 
 	for (i = 0; i < copy->iovcnt; i++)
 		mpsslog("%s %s %d copy->iov[%d] addr %p len 0x%zx\n",
diff --git a/Documentation/prctl/disable-tsc-ctxt-sw-stress-test.c b/Documentation/prctl/disable-tsc-ctxt-sw-stress-test.c
index 81fdd42..f7499d1 100644
--- a/Documentation/prctl/disable-tsc-ctxt-sw-stress-test.c
+++ b/Documentation/prctl/disable-tsc-ctxt-sw-stress-test.c
@@ -74,7 +74,7 @@
 }
 
 
-int main(int argc, char **argv)
+int main(void)
 {
 	int n_tasks = 100, i;
 
diff --git a/Documentation/prctl/disable-tsc-on-off-stress-test.c b/Documentation/prctl/disable-tsc-on-off-stress-test.c
index 4d83a27..a06f027 100644
--- a/Documentation/prctl/disable-tsc-on-off-stress-test.c
+++ b/Documentation/prctl/disable-tsc-on-off-stress-test.c
@@ -78,7 +78,7 @@
 }
 
 
-int main(int argc, char **argv)
+int main(void)
 {
 	int n_tasks = 100, i;
 
diff --git a/Documentation/prctl/disable-tsc-test.c b/Documentation/prctl/disable-tsc-test.c
index 2541e65..8d494f7 100644
--- a/Documentation/prctl/disable-tsc-test.c
+++ b/Documentation/prctl/disable-tsc-test.c
@@ -57,7 +57,7 @@
 	printf("rdtsc() == ");
 }
 
-int main(int argc, char **argv)
+int main(void)
 {
 	int tsc_val = 0;
 
diff --git a/Documentation/ptp/testptp.c b/Documentation/ptp/testptp.c
index 6c6247a..bee2f14 100644
--- a/Documentation/ptp/testptp.c
+++ b/Documentation/ptp/testptp.c
@@ -160,7 +160,8 @@
 
 
 	char *progname;
-	int i, c, cnt, fd;
+	unsigned int i;
+	int c, cnt, fd;
 
 	char *device = DEVICE;
 	clockid_t clkid;
diff --git a/Documentation/timers/hpet_example.c b/Documentation/timers/hpet_example.c
index 9a3e701..3ab4993 100644
--- a/Documentation/timers/hpet_example.c
+++ b/Documentation/timers/hpet_example.c
@@ -49,7 +49,7 @@
 int
 main(int argc, const char ** argv)
 {
-	int	i;
+	unsigned int	i;
 
 	argc--;
 	argv++;