diff options
| author | David S. Miller <davem@davemloft.net> | 2017-10-05 17:57:03 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2017-10-05 18:19:22 -0700 |
| commit | 53954cf8c5d205624167a2bfd117cc0c1a5f3c6d (patch) | |
| tree | a287f0c80eb616758bb5212523c8fb3d8fc350a4 /tools/testing/selftests/bpf | |
| parent | 4b54db1375757aa3e870c075065a8ab9350d26c4 (diff) | |
| parent | 7a92616c0bac849e790283723b36c399668a1d9f (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Just simple overlapping changes.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/testing/selftests/bpf')
| -rw-r--r-- | tools/testing/selftests/bpf/bpf_util.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/tools/testing/selftests/bpf/bpf_util.h b/tools/testing/selftests/bpf/bpf_util.h index 20ecbaa0d85d..6c53a8906eff 100644 --- a/tools/testing/selftests/bpf/bpf_util.h +++ b/tools/testing/selftests/bpf/bpf_util.h @@ -12,6 +12,7 @@ static inline unsigned int bpf_num_possible_cpus(void) unsigned int start, end, possible_cpus = 0; char buff[128]; FILE *fp; + int n; fp = fopen(fcpu, "r"); if (!fp) { @@ -20,17 +21,17 @@ static inline unsigned int bpf_num_possible_cpus(void) } while (fgets(buff, sizeof(buff), fp)) { - if (sscanf(buff, "%u-%u", &start, &end) == 2) { - possible_cpus = start == 0 ? end + 1 : 0; - break; + n = sscanf(buff, "%u-%u", &start, &end); + if (n == 0) { + printf("Failed to retrieve # possible CPUs!\n"); + exit(1); + } else if (n == 1) { + end = start; } + possible_cpus = start == 0 ? end + 1 : 0; + break; } - fclose(fp); - if (!possible_cpus) { - printf("Failed to retrieve # possible CPUs!\n"); - exit(1); - } return possible_cpus; } |