[PATCH] selftests/powerpc: remove unneeded variable

[baomingtong001 at 208suo.com]

fix the following coccicheck warning:

tools/testing/selftests/powerpc/alignment/alignment_handler.c:530:5-7: 
Unneeded variable: "rc". Return "0".
tools/testing/selftests/powerpc/alignment/alignment_handler.c:558:5-7: 
Unneeded variable: "rc". Return "0".
tools/testing/selftests/powerpc/alignment/alignment_handler.c:576:5-7: 
Unneeded variable: "rc". Return "0".
tools/testing/selftests/powerpc/alignment/alignment_handler.c:591:5-7: 
Unneeded variable: "rc". Return "0".
tools/testing/selftests/powerpc/alignment/alignment_handler.c:407:5-7: 
Unneeded variable: "rc". Return "0".
tools/testing/selftests/powerpc/alignment/alignment_handler.c:466:5-7: 
Unneeded variable: "rc". Return "0".
tools/testing/selftests/powerpc/alignment/alignment_handler.c:481:5-7: 
Unneeded variable: "rc". Return "0".
tools/testing/selftests/powerpc/alignment/alignment_handler.c:502:5-7: 
Unneeded variable: "rc". Return "0".
tools/testing/selftests/powerpc/alignment/alignment_handler.c:322:5-7: 
Unneeded variable: "rc". Return "0".
tools/testing/selftests/powerpc/alignment/alignment_handler.c:340:5-7: 
Unneeded variable: "rc". Return "0".
tools/testing/selftests/powerpc/alignment/alignment_handler.c:356:5-7: 
Unneeded variable: "rc". Return "0".
tools/testing/selftests/powerpc/alignment/alignment_handler.c:388:5-7: 
Unneeded variable: "rc". Return "0".

Signed-off-by: Mingtong Bao <baomingtong001 at 208suo.com>
---
  .../powerpc/alignment/alignment_handler.c     | 36 +++++++------------
  1 file changed, 12 insertions(+), 24 deletions(-)

diff --git 
a/tools/testing/selftests/powerpc/alignment/alignment_handler.c 
b/tools/testing/selftests/powerpc/alignment/alignment_handler.c
index 33ee34fc0828..56fc26c2b75a 100644
--- a/tools/testing/selftests/powerpc/alignment/alignment_handler.c
+++ b/tools/testing/selftests/powerpc/alignment/alignment_handler.c
@@ -319,7 +319,6 @@ static bool can_open_cifile(void)

  int test_alignment_handler_vsx_206(void)
  {
-    int rc = 0;

      SKIP_IF(!can_open_cifile());
      SKIP_IF(!have_hwcap(PPC_FEATURE_ARCH_2_06));
@@ -332,12 +331,11 @@ int test_alignment_handler_vsx_206(void)
      STORE_VSX_XFORM_TEST(stxvd2x);
      STORE_VSX_XFORM_TEST(stxvw4x);
      STORE_VSX_XFORM_TEST(stxsdx);
-    return rc;
+    return 0;
  }

  int test_alignment_handler_vsx_207(void)
  {
-    int rc = 0;

      SKIP_IF(!can_open_cifile());
      SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_2_07));
@@ -348,12 +346,11 @@ int test_alignment_handler_vsx_207(void)
      LOAD_VSX_XFORM_TEST(lxsiwzx);
      STORE_VSX_XFORM_TEST(stxsspx);
      STORE_VSX_XFORM_TEST(stxsiwx);
-    return rc;
+    return 0;
  }

  int test_alignment_handler_vsx_300(void)
  {
-    int rc = 0;

      SKIP_IF(!can_open_cifile());

@@ -380,12 +377,11 @@ int test_alignment_handler_vsx_300(void)
      STORE_VSX_XFORM_TEST(stxvx);
      STORE_VSX_XFORM_TEST(stxvl);
      STORE_VSX_XFORM_TEST(stxvll);
-    return rc;
+    return 0;
  }

  int test_alignment_handler_vsx_prefix(void)
  {
-    int rc = 0;

      SKIP_IF(!can_open_cifile());
      SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_3_1));
@@ -399,12 +395,11 @@ int test_alignment_handler_vsx_prefix(void)
      STORE_VSX_8LS_PREFIX_TEST(PSTXSSP, 0);
      STORE_VSX_8LS_PREFIX_TEST(PSTXV0, 0);
      STORE_VSX_8LS_PREFIX_TEST(PSTXV1, 1);
-    return rc;
+    return 0;
  }

  int test_alignment_handler_integer(void)
  {
-    int rc = 0;

      SKIP_IF(!can_open_cifile());

@@ -458,12 +453,11 @@ int test_alignment_handler_integer(void)
      STORE_DFORM_TEST(stmw);
  #endif

-    return rc;
+    return 0;
  }

  int test_alignment_handler_integer_206(void)
  {
-    int rc = 0;

      SKIP_IF(!can_open_cifile());
      SKIP_IF(!have_hwcap(PPC_FEATURE_ARCH_2_06));
@@ -473,12 +467,11 @@ int test_alignment_handler_integer_206(void)
      LOAD_XFORM_TEST(ldbrx);
      STORE_XFORM_TEST(stdbrx);

-    return rc;
+    return 0;
  }

  int test_alignment_handler_integer_prefix(void)
  {
-    int rc = 0;

      SKIP_IF(!can_open_cifile());
      SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_3_1));
@@ -494,12 +487,11 @@ int test_alignment_handler_integer_prefix(void)
      STORE_MLS_PREFIX_TEST(PSTH);
      STORE_MLS_PREFIX_TEST(PSTW);
      STORE_8LS_PREFIX_TEST(PSTD);
-    return rc;
+    return 0;
  }

  int test_alignment_handler_vmx(void)
  {
-    int rc = 0;

      SKIP_IF(!can_open_cifile());
      SKIP_IF(!have_hwcap(PPC_FEATURE_HAS_ALTIVEC));
@@ -522,12 +514,11 @@ int test_alignment_handler_vmx(void)
      STORE_VMX_XFORM_TEST(stvehx);
      STORE_VMX_XFORM_TEST(stvewx);
      STORE_VMX_XFORM_TEST(stvxl);
-    return rc;
+    return 0;
  }

  int test_alignment_handler_fp(void)
  {
-    int rc = 0;

      SKIP_IF(!can_open_cifile());

@@ -550,12 +541,11 @@ int test_alignment_handler_fp(void)
      STORE_FLOAT_XFORM_TEST(stfsux);
      STORE_FLOAT_XFORM_TEST(stfiwx);

-    return rc;
+    return 0;
  }

  int test_alignment_handler_fp_205(void)
  {
-    int rc = 0;

      SKIP_IF(!can_open_cifile());
      SKIP_IF(!have_hwcap(PPC_FEATURE_ARCH_2_05));
@@ -568,12 +558,11 @@ int test_alignment_handler_fp_205(void)
      STORE_FLOAT_DFORM_TEST(stfdp);
      STORE_FLOAT_XFORM_TEST(stfdpx);

-    return rc;
+    return 0;
  }

  int test_alignment_handler_fp_206(void)
  {
-    int rc = 0;

      SKIP_IF(!can_open_cifile());
      SKIP_IF(!have_hwcap(PPC_FEATURE_ARCH_2_06));
@@ -582,13 +571,12 @@ int test_alignment_handler_fp_206(void)

      LOAD_FLOAT_XFORM_TEST(lfiwzx);

-    return rc;
+    return 0;
  }

  int test_alignment_handler_fp_prefix(void)
  {
-    int rc = 0;

      SKIP_IF(!can_open_cifile());
      SKIP_IF(!have_hwcap2(PPC_FEATURE2_ARCH_3_1));
@@ -599,7 +587,7 @@ int test_alignment_handler_fp_prefix(void)
      LOAD_FLOAT_MLS_PREFIX_TEST(PLFD);
      STORE_FLOAT_MLS_PREFIX_TEST(PSTFS);
      STORE_FLOAT_MLS_PREFIX_TEST(PSTFD);
-    return rc;
+    return 0;
  }

  void usage(char *prog)