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qcacld-3.0: Reduce stack frame size in lim_process_mlm_auth_req

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stack frame size of lim_process_mlm_auth_req() is more than
the default limit of 1024 bytes, so reduce stack frame size
by allocating dynamic memory to tSirMacAuthFrameBody.

Change-Id: Ia3ae5bc8d65b39d60c52129170f22cf53fb96f61
CRs-Fixed: 2844341
This commit is contained in:
Dundi Raviteja 2020-12-10 19:55:20 +05:30 • committed by snandini
commit ba29f815ca
1 changed files with 23 additions and 15 deletions
Download patch file Download diff file Expand all files Collapse all files

38
core/mac/src/pe/lim/lim_process_mlm_req_messages.c
View file

@ -661,7 +661,7 @@ static void lim_process_mlm_auth_req(struct mac_context *mac_ctx, uint32_t *msg)
{
uint32_t num_preauth_ctx;
tSirMacAddr curr_bssid;
tSirMacAuthFrameBody auth_frame_body;
tSirMacAuthFrameBody *auth_frame_body;
tLimMlmAuthCnf mlm_auth_cnf;
struct tLimPreAuthNode *preauth_node = NULL;
uint8_t session_id;
@ -730,22 +730,28 @@ static void lim_process_mlm_auth_req(struct mac_context *mac_ctx, uint32_t *msg)
session->limPrevMlmState = session->limMlmState;
auth_frame_body = qdf_mem_malloc(sizeof(*auth_frame_body));
if (!auth_frame_body)
return;
if ((mac_ctx->lim.gpLimMlmAuthReq->authType == eSIR_AUTH_TYPE_SAE) &&
!session->sae_pmk_cached) {
if (lim_process_mlm_auth_req_sae(mac_ctx, session) !=
QDF_STATUS_SUCCESS) {
mlm_auth_cnf.resultCode = eSIR_SME_INVALID_PARAMETERS;
qdf_mem_free(auth_frame_body);
goto end;
} else {
pe_debug("lim_process_mlm_auth_req_sae is successful");
auth_frame_body.authAlgoNumber = eSIR_AUTH_TYPE_SAE;
auth_frame_body.authTransactionSeqNumber =
auth_frame_body->authAlgoNumber = eSIR_AUTH_TYPE_SAE;
auth_frame_body->authTransactionSeqNumber =
SIR_MAC_AUTH_FRAME_1;
auth_frame_body.authStatusCode = 0;
host_log_wlan_auth_info(auth_frame_body.authAlgoNumber,
auth_frame_body.authTransactionSeqNumber,
auth_frame_body.authStatusCode);
auth_frame_body->authStatusCode = 0;
host_log_wlan_auth_info(auth_frame_body->authAlgoNumber,
auth_frame_body->authTransactionSeqNumber,
auth_frame_body->authStatusCode);
qdf_mem_free(auth_frame_body);
return;
}
} else
@ -757,21 +763,21 @@ static void lim_process_mlm_auth_req(struct mac_context *mac_ctx, uint32_t *msg)
/* Mark auth algo as open when auth type is SAE and PMK is cached */
if ((mac_ctx->lim.gpLimMlmAuthReq->authType == eSIR_AUTH_TYPE_SAE) &&
session->sae_pmk_cached) {
auth_frame_body.authAlgoNumber = eSIR_OPEN_SYSTEM;
auth_frame_body->authAlgoNumber = eSIR_OPEN_SYSTEM;
} else {
auth_frame_body.authAlgoNumber =
auth_frame_body->authAlgoNumber =
(uint8_t) mac_ctx->lim.gpLimMlmAuthReq->authType;
}
/* Prepare & send Authentication frame */
auth_frame_body.authTransactionSeqNumber = SIR_MAC_AUTH_FRAME_1;
auth_frame_body.authStatusCode = 0;
host_log_wlan_auth_info(auth_frame_body.authAlgoNumber,
auth_frame_body.authTransactionSeqNumber,
auth_frame_body.authStatusCode);
auth_frame_body->authTransactionSeqNumber = SIR_MAC_AUTH_FRAME_1;
auth_frame_body->authStatusCode = 0;
host_log_wlan_auth_info(auth_frame_body->authAlgoNumber,
auth_frame_body->authTransactionSeqNumber,
auth_frame_body->authStatusCode);
mac_ctx->auth_ack_status = LIM_ACK_NOT_RCD;
lim_send_auth_mgmt_frame(mac_ctx,
&auth_frame_body, mac_ctx->lim.gpLimMlmAuthReq->peerMacAddr,
auth_frame_body, mac_ctx->lim.gpLimMlmAuthReq->peerMacAddr,
LIM_NO_WEP_IN_FC, session);
/* assign appropriate session_id to the timer object */
@ -800,6 +806,8 @@ static void lim_process_mlm_auth_req(struct mac_context *mac_ctx, uint32_t *msg)
pe_err("could not activate Auth Retry timer");
}
qdf_mem_free(auth_frame_body);
return;
end:
qdf_mem_copy((uint8_t *) &mlm_auth_cnf.peerMacAddr,