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path: root/drivers/net/wireless/iwlwifi/iwl-hcmd.c
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Diffstat (limited to 'drivers/net/wireless/iwlwifi/iwl-hcmd.c')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-hcmd.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-hcmd.c b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
index 51c9949633e..1f8c2999805 100644
--- a/drivers/net/wireless/iwlwifi/iwl-hcmd.c
+++ b/drivers/net/wireless/iwlwifi/iwl-hcmd.c
@@ -151,17 +151,17 @@ int iwl_send_cmd_sync(struct iwl_priv *priv, struct iwl_host_cmd *cmd)
{
int cmd_idx;
int ret;
- static atomic_t entry = ATOMIC_INIT(0); /* reentrance protection */
BUG_ON(cmd->meta.flags & CMD_ASYNC);
/* A synchronous command can not have a callback set. */
BUG_ON(cmd->meta.u.callback != NULL);
- if (atomic_xchg(&entry, 1)) {
+ if (test_and_set_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status)) {
IWL_ERROR("Error sending %s: Already sending a host command\n",
get_cmd_string(cmd->id));
- return -EBUSY;
+ ret = -EBUSY;
+ goto out;
}
set_bit(STATUS_HCMD_ACTIVE, &priv->status);
@@ -231,7 +231,7 @@ fail:
cmd->meta.u.skb = NULL;
}
out:
- atomic_set(&entry, 0);
+ clear_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status);
return ret;
}
EXPORT_SYMBOL(iwl_send_cmd_sync);