[PATCH 10/13] staging: wilc1000: host_interface: refactor error handling
Mike Rapoport
mike.rapoport at gmail.com
Mon Sep 14 19:00:52 UTC 2015
Use error value assignment and goto instead of WILC_ERRORREPORT and
WILC_CATCH.
Signed-off-by: Mike Rapoport <mike.rapoport at gmail.com>
---
drivers/staging/wilc1000/host_interface.c | 93 +++++++++++++++++--------------
1 file changed, 52 insertions(+), 41 deletions(-)
diff --git a/drivers/staging/wilc1000/host_interface.c b/drivers/staging/wilc1000/host_interface.c
index 54dd1dd..0f23260 100644
--- a/drivers/staging/wilc1000/host_interface.c
+++ b/drivers/staging/wilc1000/host_interface.c
@@ -1521,8 +1521,7 @@ static s32 Handle_Connect(tstrWILC_WFIDrv *drvHandler, tstrHostIFconnectAttr *ps
MAX_SURVEY_RESULT_FRAG_SIZE);
if (s32Err) {
PRINT_ER("Failed to get site survey results\n");
- WILC_ERRORREPORT(s32Error, WILC_FAIL);
-
+ return WILC_FAIL;
}
s32Err = ParseSurveyResults(gapu8RcvdSurveyResults, &pstrSurveyResults,
&pstrWFIDrv->u32SurveyResultsCount);
@@ -1538,8 +1537,9 @@ static s32 Handle_Connect(tstrWILC_WFIDrv *drvHandler, tstrHostIFconnectAttr *ps
DeallocateSurveyResults(pstrSurveyResults);
} else {
- WILC_ERRORREPORT(s32Error, WILC_FAIL);
- PRINT_ER("ParseSurveyResults() Error(%d)\n", s32Err);
+ s32Error = WILC_FAIL;
+ PRINT_ER("ParseSurveyResults() Error(%d)\n", s32Error);
+ goto err_handler;
}
@@ -1652,14 +1652,16 @@ static s32 Handle_Connect(tstrWILC_WFIDrv *drvHandler, tstrHostIFconnectAttr *ps
get_id_from_handler(pstrWFIDrv));
if (s32Error) {
PRINT_ER("Handle_Connect()] failed to send config packet\n");
- WILC_ERRORREPORT(s32Error, WILC_INVALID_STATE);
+ s32Error = WILC_INVALID_STATE;
+ goto err_handler;
} else {
pstrWFIDrv->enuHostIFstate = HOST_IF_WAITING_CONN_RESP;
}
} else {
PRINT_ER("Required BSSID not found\n");
- WILC_ERRORREPORT(s32Error, WILC_NOT_FOUND);
+ s32Error = WILC_NOT_FOUND;
+ goto err_handler;
}
#else
@@ -1680,7 +1682,8 @@ static s32 Handle_Connect(tstrWILC_WFIDrv *drvHandler, tstrHostIFconnectAttr *ps
ptstrJoinBssParam = (tstrJoinBssParam *)pstrHostIFconnectAttr->pJoinParams;
if (ptstrJoinBssParam == NULL) {
PRINT_ER("Required BSSID not found\n");
- WILC_ERRORREPORT(s32Error, WILC_NOT_FOUND);
+ s32Error = WILC_NOT_FOUND;
+ goto err_handler;
}
#endif /*WILC_PARSE_SCAN_IN_HOST*/
@@ -1788,8 +1791,10 @@ static s32 Handle_Connect(tstrWILC_WFIDrv *drvHandler, tstrHostIFconnectAttr *ps
strWIDList[u32WidsCount].s32ValueSize = MAX_SSID_LEN + 7;
strWIDList[u32WidsCount].ps8WidVal = kmalloc(strWIDList[u32WidsCount].s32ValueSize, GFP_KERNEL);
- if (strWIDList[u32WidsCount].ps8WidVal == NULL)
- WILC_ERRORREPORT(s32Error, WILC_NO_MEM);
+ if (strWIDList[u32WidsCount].ps8WidVal == NULL) {
+ s32Error = WILC_NO_MEM;
+ goto err_handler;
+ }
pu8CurrByte = strWIDList[u32WidsCount].ps8WidVal;
@@ -1825,8 +1830,10 @@ static s32 Handle_Connect(tstrWILC_WFIDrv *drvHandler, tstrHostIFconnectAttr *ps
gu32FlushedJoinReqSize = strWIDList[u32WidsCount].s32ValueSize;
gu8FlushedJoinReq = kmalloc(gu32FlushedJoinReqSize, GFP_KERNEL);
}
- if (strWIDList[u32WidsCount].ps8WidVal == NULL)
- WILC_ERRORREPORT(s32Error, WILC_NO_MEM);
+ if (strWIDList[u32WidsCount].ps8WidVal == NULL) {
+ s32Error = WILC_NO_MEM;
+ goto err_handler;
+ }
pu8CurrByte = strWIDList[u32WidsCount].ps8WidVal;
@@ -1976,15 +1983,16 @@ static s32 Handle_Connect(tstrWILC_WFIDrv *drvHandler, tstrHostIFconnectAttr *ps
get_id_from_handler(pstrWFIDrv));
if (s32Error) {
PRINT_ER("Handle_Connect()] failed to send config packet\n");
- WILC_ERRORREPORT(s32Error, WILC_INVALID_STATE);
+ s32Error = WILC_INVALID_STATE;
+ goto err_handler;
} else {
PRINT_D(GENERIC_DBG, "set HOST_IF_WAITING_CONN_RESP\n");
pstrWFIDrv->enuHostIFstate = HOST_IF_WAITING_CONN_RESP;
}
#endif
- WILC_CATCH(s32Error)
- {
+err_handler:
+ if (s32Error) {
tstrConnectInfo strConnectInfo;
del_timer(&pstrWFIDrv->hConnectTimer);
@@ -3085,7 +3093,7 @@ static void Handle_Disconnect(tstrWILC_WFIDrv *drvHandler)
if (s32Error) {
PRINT_ER("Failed to send dissconect config packet\n");
- WILC_ERRORREPORT(s32Error, WILC_FAIL);
+ goto err_handler;
} else {
tstrDisconnectNotifInfo strDisconnectNotifInfo;
@@ -3156,11 +3164,7 @@ static void Handle_Disconnect(tstrWILC_WFIDrv *drvHandler)
}
- WILC_CATCH(s32Error)
- {
-
- }
-
+err_handler:
/* ////////////////////////// */
up(&(pstrWFIDrv->hSemTestDisconnectBlock));
/* ///////////////////////// */
@@ -3398,7 +3402,8 @@ static s32 Handle_Get_InActiveTime(tstrWILC_WFIDrv *drvHandler, tstrHostIfStaIna
/*get the value by searching the local copy*/
if (s32Error) {
PRINT_ER("Failed to SET incative time\n");
- WILC_ERRORREPORT(s32Error, WILC_FAIL);
+ s32Error = WILC_FAIL;
+ goto err_handler;
}
@@ -3413,19 +3418,16 @@ static s32 Handle_Get_InActiveTime(tstrWILC_WFIDrv *drvHandler, tstrHostIfStaIna
/*get the value by searching the local copy*/
if (s32Error) {
PRINT_ER("Failed to get incative time\n");
- WILC_ERRORREPORT(s32Error, WILC_FAIL);
+ s32Error = WILC_FAIL;
+ goto err_handler;
}
PRINT_D(CFG80211_DBG, "Getting inactive time : %d\n", gu32InactiveTime);
up(&(pstrWFIDrv->hSemInactiveTime));
- WILC_CATCH(s32Error)
- {
-
- }
-
+err_handler:
return s32Error;
@@ -3795,17 +3797,20 @@ static int Handle_RemainOnChan(tstrWILC_WFIDrv *drvHandler, tstrHostIfRemainOnCh
if (pstrWFIDrv->strWILC_UsrScanReq.pfUserScanResult != NULL) {
PRINT_INFO(GENERIC_DBG, "Required to remain on chan while scanning return\n");
pstrWFIDrv->u8RemainOnChan_pendingreq = 1;
- WILC_ERRORREPORT(s32Error, WILC_BUSY);
+ s32Error = WILC_BUSY;
+ goto err_handler;
}
if (pstrWFIDrv->enuHostIFstate == HOST_IF_WAITING_CONN_RESP) {
PRINT_INFO(GENERIC_DBG, "Required to remain on chan while connecting return\n");
- WILC_ERRORREPORT(s32Error, WILC_BUSY);
+ s32Error = WILC_BUSY;
+ goto err_handler;
}
#ifdef DISABLE_PWRSAVE_AND_SCAN_DURING_IP
if (g_obtainingIP || connecting) {
PRINT_D(GENERIC_DBG, "[handle_scan]: Don't do obss scan until IP adresss is obtained\n");
- WILC_ERRORREPORT(s32Error, WILC_BUSY);
+ s32Error = WILC_BUSY;
+ goto err_handler;
}
#endif
@@ -3817,8 +3822,10 @@ static int Handle_RemainOnChan(tstrWILC_WFIDrv *drvHandler, tstrHostIfRemainOnCh
strWID.s32ValueSize = 2;
strWID.ps8WidVal = kmalloc(strWID.s32ValueSize, GFP_KERNEL);
- if (strWID.ps8WidVal == NULL)
- WILC_ERRORREPORT(s32Error, WILC_NO_MEM);
+ if (strWID.ps8WidVal == NULL) {
+ s32Error = WILC_NO_MEM;
+ goto err_handler;
+ }
strWID.ps8WidVal[0] = u8remain_on_chan_flag;
strWID.ps8WidVal[1] = (s8)pstrHostIfRemainOnChan->u16Channel;
@@ -3829,8 +3836,8 @@ static int Handle_RemainOnChan(tstrWILC_WFIDrv *drvHandler, tstrHostIfRemainOnCh
if (s32Error != WILC_SUCCESS)
PRINT_ER("Failed to set remain on channel\n");
- WILC_CATCH(-1)
- {
+err_handler:
+ if (-1) {
P2P_LISTEN_STATE = 1;
pstrWFIDrv->hRemainOnChannel.data = (unsigned long)pstrWFIDrv;
mod_timer(&pstrWFIDrv->hRemainOnChannel,
@@ -7007,16 +7014,20 @@ s32 host_int_add_beacon(tstrWILC_WFIDrv *hWFIDrv, u32 u32Interval,
pstrSetBeaconParam->u32DTIMPeriod = u32DTIMPeriod;
pstrSetBeaconParam->u32HeadLen = u32HeadLen;
pstrSetBeaconParam->pu8Head = kmalloc(u32HeadLen, GFP_KERNEL);
- if (pstrSetBeaconParam->pu8Head == NULL)
- WILC_ERRORREPORT(s32Error, WILC_NO_MEM);
+ if (pstrSetBeaconParam->pu8Head == NULL) {
+ s32Error = WILC_NO_MEM;
+ goto err_handler;
+ }
memcpy(pstrSetBeaconParam->pu8Head, pu8Head, u32HeadLen);
pstrSetBeaconParam->u32TailLen = u32TailLen;
/* Bug 4599 : if tail length = 0 skip allocating & copying */
if (u32TailLen > 0) {
pstrSetBeaconParam->pu8Tail = kmalloc(u32TailLen, GFP_KERNEL);
- if (pstrSetBeaconParam->pu8Tail == NULL)
- WILC_ERRORREPORT(s32Error, WILC_NO_MEM);
+ if (pstrSetBeaconParam->pu8Tail == NULL) {
+ s32Error = WILC_NO_MEM;
+ goto err_handler;
+ }
memcpy(pstrSetBeaconParam->pu8Tail, pu8Tail, u32TailLen);
} else {
pstrSetBeaconParam->pu8Tail = NULL;
@@ -7024,10 +7035,10 @@ s32 host_int_add_beacon(tstrWILC_WFIDrv *hWFIDrv, u32 u32Interval,
s32Error = wilc_mq_send(&gMsgQHostIF, &strHostIFmsg, sizeof(tstrHostIFmsg));
if (s32Error)
- WILC_ERRORREPORT(s32Error, s32Error);
+ PRINT_ER("Failed to send add beacon message\n");
- WILC_CATCH(s32Error)
- {
+err_handler:
+ if (s32Error) {
if (pstrSetBeaconParam->pu8Head != NULL)
kfree(pstrSetBeaconParam->pu8Head);
--
2.1.0
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