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WNM: Fix AP processing without wnm_oper driver callback

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hostapd_drv_wnm_oper() needs to indicate an error if the driver callback
function is not implemented. Without this, the buf_len argument could
have been left uninitialized which could result in crashing the process.

Signed-hostap: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2013-12-27 18:44:21 +02:00
parent 2025cad9b8
commit 477689788c
1 changed files with 1 additions and 1 deletions
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2
src/ap/ap_drv_ops.c
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@ -714,7 +714,7 @@ int hostapd_drv_wnm_oper(struct hostapd_data *hapd, enum wnm_oper oper,
const u8 *peer, u8 *buf, u16 *buf_len) const u8 *peer, u8 *buf, u16 *buf_len)
{ {
if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL) if (hapd->driver == NULL || hapd->driver->wnm_oper == NULL)
return 0; return -1;
return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf, return hapd->driver->wnm_oper(hapd->drv_priv, oper, peer, buf,
buf_len); buf_len);
} }