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| author | Otavio Salvador <otavio@ossystems.com.br> | 2020-05-20 08:43:03 -0300 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-05-20 08:43:03 -0300 |
| commit | 1279cd128bba968ebe0a2df7f7ae38bae90250ef (patch) | |
| tree | df6b1a190760f51465122ca4c13492d5ac5984c6 /include/linux/percpu_counter.h | |
| parent | 0a8ab17689e628c84a666195bfc6ab85d11cf057 (diff) | |
| parent | 2ae782ca839e0ee07de37122ddea362adff2e975 (diff) | |
Merge pull request #76 from toradex/4.9-2.3.x-imx
4.9 2.3.x imx
Diffstat (limited to 'include/linux/percpu_counter.h')
| -rw-r--r-- | include/linux/percpu_counter.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/linux/percpu_counter.h b/include/linux/percpu_counter.h index 84a109449610..b6332cb761a4 100644 --- a/include/linux/percpu_counter.h +++ b/include/linux/percpu_counter.h @@ -76,9 +76,9 @@ static inline s64 percpu_counter_read(struct percpu_counter *fbc) */ static inline s64 percpu_counter_read_positive(struct percpu_counter *fbc) { - s64 ret = fbc->count; + /* Prevent reloads of fbc->count */ + s64 ret = READ_ONCE(fbc->count); - barrier(); /* Prevent reloads of fbc->count */ if (ret >= 0) return ret; return 0; |