selftests/dma:remove unused variable

The variable are never referenced in the code, just remove it
that this problem was discovered by reading code

Signed-off-by: Zhu Jun <zhujun2@cmss.chinamobile.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

diff --git a/tools/testing/selftests/dma/dma_map_benchmark.c b/tools/testing/selftests/dma/dma_map_benchmark.c
index 5c997f17fcbdb0d183519b7291d1f41159ea6c08..b12f1f9babf8f2ce5cf2ea197aa154fb8b70ab48 100644 (file)
--- a/tools/testing/selftests/dma/dma_map_benchmark.c
+++ b/tools/testing/selftests/dma/dma_map_benchmark.c
@@ -33,7 +33,6 @@ int main(int argc, char **argv)
        int granule = 1;
 
        int cmd = DMA_MAP_BENCHMARK;
-       char *p;
 
        while ((opt = getopt(argc, argv, "t:s:n:b:d:x:g:")) != -1) {
                switch (opt) {