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bluetooth: fix bt_slip_send would always block

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rootcause: semcount maybe zero when nxsem_wait_uninterruptible

Signed-off-by: chengkai <chengkai@xiaomi.com>
This commit is contained in:
chengkai
2024-05-24 16:11:06 +08:00
committed by Xiang Xiao
parent 00eb8f6461
commit aeb3051aba
1 changed files with 2 additions and 2 deletions
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drivers/wireless/bluetooth/bt_slip.c
+2 -2
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@@ -558,8 +558,8 @@ static void bt_slip_unack_handle(FAR struct sliphci_s *priv)
{ {
int semcount; int semcount;
nxsem_get_value(&priv->sem, &semcount); while (nxsem_get_value(&priv->sem, &semcount) >= 0 &&
if (semcount < 0) semcount <= 0)
{ {
nxsem_post(&priv->sem); nxsem_post(&priv->sem);
} }