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| author | Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com> | 2021-10-01 21:38:40 +0300 |
|---|---|---|
| committer | Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com> | 2021-10-01 21:40:21 +0300 |
| commit | 9c881021a269af242594e2dfc79f1c4701404887 (patch) | |
| tree | c8ec14f412d7ea35009b2dee08770082ddbb5c6e /samples/bpf/tracex7_user.c | |
| parent | e9479d98b87227b8b7502c4c1e778887b23799f1 (diff) | |
| parent | cf06e1ab1c3ed354da5873e646f2164fea147c88 (diff) | |
| download | linux-dev-5.10-intel.tar.xz | |
Merge branch 'dev-5.10' into dev-5.10-inteldev-5.10-intel
Pull 5.10.67 stable from OpenBMC upstream.
Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo@linux.intel.com>
Diffstat (limited to 'samples/bpf/tracex7_user.c')
| -rw-r--r-- | samples/bpf/tracex7_user.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/samples/bpf/tracex7_user.c b/samples/bpf/tracex7_user.c index fdcd6580dd73..8be7ce18d3ba 100644 --- a/samples/bpf/tracex7_user.c +++ b/samples/bpf/tracex7_user.c @@ -14,6 +14,11 @@ int main(int argc, char **argv) int ret = 0; FILE *f; + if (!argv[1]) { + fprintf(stderr, "ERROR: Run with the btrfs device argument!\n"); + return 0; + } + snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); obj = bpf_object__open_file(filename, NULL); if (libbpf_get_error(obj)) { |