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ng_pktbuf: Use atomic_dec instead of atomic_set_return

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This commit is contained in:
Joakim Gebart 2015-04-26 09:22:52 +02:00
parent 748499b737
commit 6821350835
1 changed files with 1 additions and 1 deletions
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2
sys/net/crosslayer/ng_pktbuf/ng_pktbuf.c
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@ -134,7 +134,7 @@ ng_pktsnip_t *ng_pktbuf_start_write(ng_pktsnip_t *pkt)
res = _pktbuf_duplicate(pkt);
atomic_set_return(&pkt->users, pkt->users - 1);
atomic_dec(&pkt->users);
mutex_unlock(&_pktbuf_mutex);