diff options
Diffstat (limited to 'samples')
| -rw-r--r-- | samples/bpf/sampleip_user.c | 7 | ||||
| -rw-r--r-- | samples/bpf/trace_event_user.c | 9 | ||||
| -rw-r--r-- | samples/bpf/xdp_redirect_cpu_user.c | 5 |
3 files changed, 6 insertions, 15 deletions
diff --git a/samples/bpf/sampleip_user.c b/samples/bpf/sampleip_user.c index 4372d2da2f9e..921c505bb567 100644 --- a/samples/bpf/sampleip_user.c +++ b/samples/bpf/sampleip_user.c @@ -18,9 +18,6 @@ #include "perf-sys.h" #include "trace_helpers.h" -#define __must_check -#include <linux/err.h> - #define DEFAULT_FREQ 99 #define DEFAULT_SECS 5 #define MAX_IPS 8192 @@ -57,7 +54,7 @@ static int sampling_start(int freq, struct bpf_program *prog, return 1; } links[i] = bpf_program__attach_perf_event(prog, pmu_fd); - if (IS_ERR(links[i])) { + if (libbpf_get_error(links[i])) { fprintf(stderr, "ERROR: Attach perf event\n"); links[i] = NULL; close(pmu_fd); @@ -182,7 +179,7 @@ int main(int argc, char **argv) snprintf(filename, sizeof(filename), "%s_kern.o", argv[0]); obj = bpf_object__open_file(filename, NULL); - if (IS_ERR(obj)) { + if (libbpf_get_error(obj)) { fprintf(stderr, "ERROR: opening BPF object file failed\n"); obj = NULL; goto cleanup; diff --git a/samples/bpf/trace_event_user.c b/samples/bpf/trace_event_user.c index b6cd358d0418..ac1ba368195c 100644 --- a/samples/bpf/trace_event_user.c +++ b/samples/bpf/trace_event_user.c @@ -16,9 +16,6 @@ #include "perf-sys.h" #include "trace_helpers.h" -#define __must_check -#include <linux/err.h> - #define SAMPLE_FREQ 50 static int pid; @@ -159,7 +156,7 @@ static void test_perf_event_all_cpu(struct perf_event_attr *attr) goto all_cpu_err; } links[i] = bpf_program__attach_perf_event(prog, pmu_fd); - if (IS_ERR(links[i])) { + if (libbpf_get_error(links[i])) { printf("bpf_program__attach_perf_event failed\n"); links[i] = NULL; close(pmu_fd); @@ -198,7 +195,7 @@ static void test_perf_event_task(struct perf_event_attr *attr) goto err; } link = bpf_program__attach_perf_event(prog, pmu_fd); - if (IS_ERR(link)) { + if (libbpf_get_error(link)) { printf("bpf_program__attach_perf_event failed\n"); link = NULL; close(pmu_fd); @@ -314,7 +311,7 @@ int main(int argc, char **argv) } obj = bpf_object__open_file(filename, NULL); - if (IS_ERR(obj)) { + if (libbpf_get_error(obj)) { printf("opening BPF object file failed\n"); obj = NULL; goto cleanup; diff --git a/samples/bpf/xdp_redirect_cpu_user.c b/samples/bpf/xdp_redirect_cpu_user.c index 9b8f21abeac4..f3468168982e 100644 --- a/samples/bpf/xdp_redirect_cpu_user.c +++ b/samples/bpf/xdp_redirect_cpu_user.c @@ -19,9 +19,6 @@ static const char *__doc__ = #include <time.h> #include <linux/limits.h> -#define __must_check -#include <linux/err.h> - #include <arpa/inet.h> #include <linux/if_link.h> @@ -622,7 +619,7 @@ static struct bpf_link * attach_tp(struct bpf_object *obj, } link = bpf_program__attach_tracepoint(prog, tp_category, tp_name); - if (IS_ERR(link)) + if (libbpf_get_error(link)) exit(EXIT_FAIL_BPF); return link; |