[LTP] [PATCH 1/2] getpid: Link manpage and fix minor issues

[Jinseok Kim]

Link to the manpage in docparse comments.

Also remove the unused <error.h> header and use tabs for indentation.

Signed-off-by: Jinseok Kim <always.starving0@gmail.com>
---
 testcases/kernel/syscalls/getpid/getpid01.c |  3 ++-
 testcases/kernel/syscalls/getpid/getpid02.c | 10 +++++-----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/testcases/kernel/syscalls/getpid/getpid01.c b/testcases/kernel/syscalls/getpid/getpid01.c
index d9ba0953c..8fcd351d6 100644
--- a/testcases/kernel/syscalls/getpid/getpid01.c
+++ b/testcases/kernel/syscalls/getpid/getpid01.c
@@ -4,7 +4,8 @@
  */

 /*\
- * Verify that getpid() system call returns process ID in range <2, PID_MAX>.
+ * Verify that :manpage:`getpid(2)` system call returns process ID in range
+ * <2, PID_MAX>.
  */

 #include <stdlib.h>
diff --git a/testcases/kernel/syscalls/getpid/getpid02.c b/testcases/kernel/syscalls/getpid/getpid02.c
index 3da853d48..08fcd5337 100644
--- a/testcases/kernel/syscalls/getpid/getpid02.c
+++ b/testcases/kernel/syscalls/getpid/getpid02.c
@@ -6,12 +6,12 @@
 /*\
  * Check that:
  *
- * - fork() in parent returns the same pid as getpid() in child
- * - getppid() in child returns the same pid as getpid() in parent
+ * - :manpage:`fork(2)` in parent returns the same pid as
+ *   :manpage:`getpid(2)` in child
+ * - :manpage:`getppid(2)` in child returns the same pid as
+ *   :manpage:`getpid(2)` in parent
  */

-#include <errno.h>
-
 #include "tst_test.h"

 static pid_t *child_pid;
@@ -51,7 +51,7 @@ static void verify_getpid(void)
 static void setup(void)
 {
 	child_pid = SAFE_MMAP(NULL, sizeof(pid_t), PROT_READ | PROT_WRITE,
-                              MAP_ANONYMOUS | MAP_SHARED, -1, 0);
+			      MAP_ANONYMOUS | MAP_SHARED, -1, 0);
 }

 static void cleanup(void)
--
2.43.0