Fix

file_stressor.c:112:9: warning: unused variable 'pid_self'

by dropping the unused variable.

Fixes: aab154a442f9b ("selftests: add file SLAB_TYPESAFE_BY_RCU recycling stressor")
Cc: Christian Brauner <brauner@kernel.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
v2: Update subject and description to reflect that the patch fixes a build
    warning. 

 tools/testing/selftests/filesystems/file_stressor.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/tools/testing/selftests/filesystems/file_stressor.c b/tools/testing/selftests/filesystems/file_stressor.c
index 01dd89f8e52f..4f314270298d 100644
--- a/tools/testing/selftests/filesystems/file_stressor.c
+++ b/tools/testing/selftests/filesystems/file_stressor.c
@@ -109,8 +109,6 @@ FIXTURE_TEARDOWN(file_stressor)
 TEST_F_TIMEOUT(file_stressor, slab_typesafe_by_rcu, 900 * 2)
 {
 	for (int i = 0; i < self->nr_procs; i++) {
-		pid_t pid_self;
-
 		self->pids_openers[i] = fork();
 		ASSERT_GE(self->pids_openers[i], 0);
 
-- 
2.45.2