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Diffstat (limited to 'tools/testing/selftests/bpf/test_verifier.c')
-rw-r--r--tools/testing/selftests/bpf/test_verifier.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/test_verifier.c b/tools/testing/selftests/bpf/test_verifier.c
index 3e7718b1a9ae..fd7de7eb329e 100644
--- a/tools/testing/selftests/bpf/test_verifier.c
+++ b/tools/testing/selftests/bpf/test_verifier.c
@@ -11713,6 +11713,11 @@ static void get_unpriv_disabled()
FILE *fd;
fd = fopen("/proc/sys/"UNPRIV_SYSCTL, "r");
+ if (!fd) {
+ perror("fopen /proc/sys/"UNPRIV_SYSCTL);
+ unpriv_disabled = true;
+ return;
+ }
if (fgets(buf, 2, fd) == buf && atoi(buf))
unpriv_disabled = true;
fclose(fd);