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-rw-r--r--tools/bpf/bpftool/Makefile3
-rw-r--r--tools/lib/bpf/btf.c1
-rw-r--r--tools/testing/selftests/bpf/Makefile3
3 files changed, 7 insertions, 0 deletions
diff --git a/tools/bpf/bpftool/Makefile b/tools/bpf/bpftool/Makefile
index 787b857d3fb5..313fd1b09189 100644
--- a/tools/bpf/bpftool/Makefile
+++ b/tools/bpf/bpftool/Makefile
@@ -289,3 +289,6 @@ FORCE:
.PHONY: all FORCE bootstrap clean install-bin install uninstall
.PHONY: doc doc-clean doc-install doc-uninstall
.DEFAULT_GOAL := all
+
+# Delete partially updated (corrupted) files on error
+.DELETE_ON_ERROR:
diff --git a/tools/lib/bpf/btf.c b/tools/lib/bpf/btf.c
index 8cbcef959456..b03250007018 100644
--- a/tools/lib/bpf/btf.c
+++ b/tools/lib/bpf/btf.c
@@ -1003,6 +1003,7 @@ static struct btf *btf_parse_elf(const char *path, struct btf *base_btf,
err = 0;
if (!btf_data) {
+ pr_warn("failed to find '%s' ELF section in %s\n", BTF_ELF_SEC, path);
err = -ENOENT;
goto done;
}
diff --git a/tools/testing/selftests/bpf/Makefile b/tools/testing/selftests/bpf/Makefile
index c22c43bbee19..205e8c3c346a 100644
--- a/tools/testing/selftests/bpf/Makefile
+++ b/tools/testing/selftests/bpf/Makefile
@@ -626,3 +626,6 @@ EXTRA_CLEAN := $(TEST_CUSTOM_PROGS) $(SCRATCH_DIR) $(HOST_SCRATCH_DIR) \
liburandom_read.so)
.PHONY: docs docs-clean
+
+# Delete partially updated (corrupted) files on error
+.DELETE_ON_ERROR: