selftests: lib: Skip tests on missing test modules

With older kernels, printf.sh and bitmap.sh fail because they can't find
the respective test modules they are looking for.

Use modprobe dry run to check for missing test_XXX module. Error out with
the same error code as prime_numbers.sh.

Signed-off-by: Sumit Semwal <[email protected]>
Signed-off-by: Shuah Khan <[email protected]>

diff --git a/tools/testing/selftests/lib/bitmap.sh b/tools/testing/selftests/lib/bitmap.sh
index 2da187b6ddad574374bf46f6ab756b9208e1f297..b073c22a3435a25ab829a9337636f5784174a247 100755 (executable)
--- a/tools/testing/selftests/lib/bitmap.sh
+++ b/tools/testing/selftests/lib/bitmap.sh
@@ -1,5 +1,9 @@
 #!/bin/sh
 # Runs bitmap infrastructure tests using test_bitmap kernel module
+if ! /sbin/modprobe -q -n test_bitmap; then
+       echo "bitmap: [SKIP]"
+       exit 77
+fi
 
 if /sbin/modprobe -q test_bitmap; then
        /sbin/modprobe -q -r test_bitmap

diff --git a/tools/testing/selftests/lib/printf.sh b/tools/testing/selftests/lib/printf.sh
index 4fdc70fe6980273f6058b27c6337dcaf187d47cf..cbf3b124bd94a2af428e13be8365ddb2bd709591 100755 (executable)
--- a/tools/testing/selftests/lib/printf.sh
+++ b/tools/testing/selftests/lib/printf.sh
@@ -1,5 +1,9 @@
 #!/bin/sh
 # Runs printf infrastructure using test_printf kernel module
+if ! /sbin/modprobe -q -n test_printf; then
+       echo "printf: [SKIP]"
+       exit 77
+fi
 
 if /sbin/modprobe -q test_printf; then
        /sbin/modprobe -q -r test_printf