]> Git Repo - linux.git/blob - scripts/atomic/fallbacks/dec_unless_positive
HID: hid-sensor-custom: Fix big on-stack allocation in hid_sensor_custom_get_known()
[linux.git] / scripts / atomic / fallbacks / dec_unless_positive
1 cat <<EOF
2 static __always_inline bool
3 arch_${atomic}_dec_unless_positive(${atomic}_t *v)
4 {
5         ${int} c = arch_${atomic}_read(v);
6
7         do {
8                 if (unlikely(c > 0))
9                         return false;
10         } while (!arch_${atomic}_try_cmpxchg(v, &c, c - 1));
11
12         return true;
13 }
14 EOF
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