[PATCHv4 bpf-next 04/10] selftests/bpf: Use only stdout in un/load_bpf_testmod functions

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We are about to use un/load_bpf_testmod functions in couple tests
and it's better  to print output to stdout,  so it's aligned with
tests ASSERT macros output, which use stdout as well.

Acked-by: David Vernet <void@xxxxxxxxxxxxx>
Signed-off-by: Jiri Olsa <jolsa@xxxxxxxxxx>
---
 tools/testing/selftests/bpf/testing_helpers.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/tools/testing/selftests/bpf/testing_helpers.c b/tools/testing/selftests/bpf/testing_helpers.c
index 648c7d3eb319..f73bc88f3eb6 100644
--- a/tools/testing/selftests/bpf/testing_helpers.c
+++ b/tools/testing/selftests/bpf/testing_helpers.c
@@ -341,14 +341,14 @@ static int delete_module(const char *name, int flags)
 void unload_bpf_testmod(bool verbose)
 {
 	if (kern_sync_rcu())
-		fprintf(stderr, "Failed to trigger kernel-side RCU sync!\n");
+		fprintf(stdout, "Failed to trigger kernel-side RCU sync!\n");
 	if (delete_module("bpf_testmod", 0)) {
 		if (errno == ENOENT) {
 			if (verbose)
 				fprintf(stdout, "bpf_testmod.ko is already unloaded.\n");
 			return;
 		}
-		fprintf(stderr, "Failed to unload bpf_testmod.ko from kernel: %d\n", -errno);
+		fprintf(stdout, "Failed to unload bpf_testmod.ko from kernel: %d\n", -errno);
 		return;
 	}
 	if (verbose)
@@ -367,11 +367,11 @@ int load_bpf_testmod(bool verbose)
 
 	fd = open("bpf_testmod.ko", O_RDONLY);
 	if (fd < 0) {
-		fprintf(stderr, "Can't find bpf_testmod.ko kernel module: %d\n", -errno);
+		fprintf(stdout, "Can't find bpf_testmod.ko kernel module: %d\n", -errno);
 		return -ENOENT;
 	}
 	if (finit_module(fd, "", 0)) {
-		fprintf(stderr, "Failed to load bpf_testmod.ko into the kernel: %d\n", -errno);
+		fprintf(stdout, "Failed to load bpf_testmod.ko into the kernel: %d\n", -errno);
 		close(fd);
 		return -EINVAL;
 	}
-- 
2.40.1





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