Merge tag 'for-4.21/libata-20181221' of git://git.kernel.dk/linux-block

[linux.git] / samples / bpf / bpf_load.c

diff --git a/samples/bpf/bpf_load.c b/samples/bpf/bpf_load.c
index 434ea34a59549d4e6f57698850443f2c50d6354a..eae7b635343d13182a4d458d3280464f6ffee4ca 100644 (file)
--- a/samples/bpf/bpf_load.c
+++ b/samples/bpf/bpf_load.c
@@ -58,7 +58,9 @@ static int write_kprobe_events(const char *val)
 {
        int fd, ret, flags;
 
-       if ((val != NULL) && (val[0] == '\0'))
+       if (val == NULL)
+               return -1;
+       else if (val[0] == '\0')
                flags = O_WRONLY | O_TRUNC;
        else
                flags = O_WRONLY | O_APPEND;