[LTP] [PATCH v4 2/2] ptrace06: Refactor the test using new LTP API

Petr Vorel pvorel@suse.cz
Thu Jan 9 09:55:43 CET 2025


Hi Wei,

> +static inline char *strptrace(int request)
> +{
> +	return strings[request];
> +}
Why not just use strings[tc->request] directly?
> +
> +static void child(void)
> +{
> +
Blank line.

> +	char path[512];
Unused variable (it's always nice to compile test and pay attention to the
warnings before sending it to ML).

The rest LGTM.
Reviewed-by: Petr Vorel <pvorel@suse.cz>

I suggest to merge with following diff.

Thanks!

Kind regards,
Petr

+++ testcases/kernel/syscalls/ptrace/ptrace06.c
@@ -8,7 +8,7 @@
 /*\
  * [Description]
  *
- * check out-of-bound/unaligned addresses given to
+ * Check out-of-bound/unaligned addresses given to
  *
  *  - {PEEK,POKE}{DATA,TEXT,USER}
  *  - {GET,SET}{,FG}REGS
@@ -24,11 +24,11 @@
  */
 
 #if defined(__i386__)
-#define SIZEOF_USER 284
+# define SIZEOF_USER 284
 #elif defined(__x86_64__)
-#define SIZEOF_USER 928
+# define SIZEOF_USER 928
 #else
-#define SIZEOF_USER 0x1000	/* just pick a big number */
+# define SIZEOF_USER 0x1000	/* just pick a big number */
 #endif
 
 static struct test_case_t {
@@ -177,16 +177,8 @@ static char *strings[] = {
 	SPT(SINGLESTEP)
 };
 
-static inline char *strptrace(int request)
-{
-	return strings[request];
-}
-
 static void child(void)
 {
-
-	char path[512];
-
 	SAFE_PTRACE(PTRACE_TRACEME, 0, NULL, NULL);
 	raise(SIGSTOP);
 	exit(0);
@@ -217,7 +209,7 @@ static void run(void)
 		TST_EXP_FAIL_ARR(ptrace(tc->request, pid, (void *)tc->addr,
 					(void *)tc->data), exp_errnos, ARRAY_SIZE(exp_errnos),
 					"ptrace(%s, ..., %li, %li) failed as expected",
-					 strptrace(tc->request), tc->addr, tc->data);
+					 strings[tc->request], tc->addr, tc->data);
 	}
 
 	SAFE_PTRACE(PTRACE_CONT, pid, NULL, NULL);


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