[PATCH] selftest:powerpc:dscr:fix compile error in dscr_sysfs_test

[Mamatha Inamdar]

This patch is to fix the following compile error ocured when building
with gcc7:

[stderr] dscr_sysfs_test.c: In function âdscr_sysfsâ:
[stderr] dscr_sysfs_test.c:63:20: error: â%sâ directive writing up to 255 bytes

Signed-off-by: Mamatha Inamdar <mamatha4@xxxxxxxxxxxxxxxxxx>
---
 .../selftests/powerpc/dscr/dscr_sysfs_test.c       |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c b/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c
index 1899bd8..72e3af0 100644
--- a/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c
+++ b/tools/testing/selftests/powerpc/dscr/dscr_sysfs_test.c
@@ -62,7 +62,7 @@ static int check_all_cpu_dscr_defaults(unsigned long val)
 		if (!strstr(dp->d_name, "cpu"))
 			continue;
 
-		len = snprintf(file, LEN_MAX, "%s%s/dscr", CPU_PATH, dp->d_name);
+		len = snprintf(file, LEN_MAX, "%scpu%ld/dscr", CPU_PATH, val);
 		if (len >= LEN_MAX)
 			continue;
 		if (access(file, F_OK))