[PATCH] selftests/nolibc: Remove unneeded variable

[wuyonggang001]

Fix the following coccicheck warning:

tools/testing/selftests/nolibc/nolibc-test.c:646:5-8: Unneeded variable: 
"ret". Return "0"

Signed-off-by: Yonggang Wu <wuyonggang001@xxxxxxxxxx>
---
 tools/testing/selftests/nolibc/nolibc-test.c | 15 ++++++---------
 1 file changed, 6 insertions(+), 9 deletions(-)

diff --git a/tools/testing/selftests/nolibc/nolibc-test.c 
b/tools/testing/selftests/nolibc/nolibc-test.c
index 486334981e60..2b723354e085 100644
--- a/tools/testing/selftests/nolibc/nolibc-test.c
+++ b/tools/testing/selftests/nolibc/nolibc-test.c
@@ -546,7 +546,6 @@ int run_syscall(int min, int max)
     int proc;
     int test;
     int tmp;
-    int ret = 0;
     void *p1, *p2;

     /* <proc> indicates whether or not /proc is mounted */
@@ -632,18 +631,17 @@ int run_syscall(int min, int max)
         CASE_TEST(syscall_noargs);    EXPECT_SYSEQ(1, 
syscall(__NR_getpid), getpid()); break;
         CASE_TEST(syscall_args);      EXPECT_SYSER(1, 
syscall(__NR_statx, 0, NULL, 0, 0, NULL), -1, EFAULT); break;
         case __LINE__:
-            return ret; /* must be last */
+            return 0; /* must be last */
         /* note: do not set any defaults so as to permit holes above */
         }
     }
-    return ret;
+    return 0;
 }

 int run_stdlib(int min, int max)
 {
     int test;
     int tmp;
-    int ret = 0;
     void *p1, *p2;

     for (test = min; test >= 0 && test <= max; test++) {
@@ -726,11 +724,11 @@ int run_stdlib(int min, int max)
 # warning "__SIZEOF_LONG__ is undefined"
 #endif /* __SIZEOF_LONG__ */
         case __LINE__:
-            return ret; /* must be last */
+            return 0; /* must be last */
         /* note: do not set any defaults so as to permit holes above */
         }
     }
-    return ret;
+    return 0;
 }

 #define EXPECT_VFPRINTF(c, expected, fmt, ...)                \
@@ -790,7 +788,6 @@ static int run_vfprintf(int min, int max)
 {
     int test;
     int tmp;
-    int ret = 0;
     void *p1, *p2;

     for (test = min; test >= 0 && test <= max; test++) {
@@ -810,11 +807,11 @@ static int run_vfprintf(int min, int max)
         CASE_TEST(hex);          EXPECT_VFPRINTF(1, "f", "%x", 0xf); 
break;
         CASE_TEST(pointer);      EXPECT_VFPRINTF(3, "0x1", "%p", (void 
*) 0x1); break;
         case __LINE__:
-            return ret; /* must be last */
+            return 0; /* must be last */
         /* note: do not set any defaults so as to permit holes above */
         }
     }
-    return ret;
+    return 0;
 }

 static int smash_stack(void)