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authorJani Nikula <jani.nikula@intel.com>2017-10-18 12:37:31 +0300
committerJani Nikula <jani.nikula@intel.com>2017-10-18 12:37:31 +0300
commit526b96c4f8dceb0104e267c61e5a3b22c538570c (patch)
tree8825258c4f678f5ad9fddc0afaf72d640458481a /tools/testing/selftests/bpf/bpf_util.h
parentcb8d50dfb341e9615c8d203a3e6513dae9ff901d (diff)
parent40d86701a625eed9e644281b9af228d6a52d8ed9 (diff)
Merge drm-upstream/drm-next into drm-intel-next-queued
Needed for timer_setup() and drm_dev_{get,put}() conversions in i915. Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Diffstat (limited to 'tools/testing/selftests/bpf/bpf_util.h')
-rw-r--r--tools/testing/selftests/bpf/bpf_util.h17
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;
}