staging: wilc1000: coreconfigurator.c: fix kmalloc error check

It is added and fixed error check when kmalloc is failed.

Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/wilc1000/coreconfigurator.c b/drivers/staging/wilc1000/coreconfigurator.c
index fd89914..16a0abc 100644 (file)
--- a/drivers/staging/wilc1000/coreconfigurator.c
+++ b/drivers/staging/wilc1000/coreconfigurator.c
@@ -801,6 +801,9 @@ s32 ParseNetworkInfo(u8 *pu8MsgBuffer, tstrNetworkInfo **ppstrNetworkInfo)
                u32 u32Tsf_Hi;
 
                pstrNetworkInfo = kmalloc(sizeof(tstrNetworkInfo), GFP_KERNEL);
+               if (!pstrNetworkInfo)
+                       return -ENOMEM;
+
                memset((void *)(pstrNetworkInfo), 0, sizeof(tstrNetworkInfo));
 
                pstrNetworkInfo->s8rssi = pu8WidVal[0];
@@ -851,6 +854,9 @@ s32 ParseNetworkInfo(u8 *pu8MsgBuffer, tstrNetworkInfo **ppstrNetworkInfo)
 
                if (u16IEsLen > 0) {
                        pstrNetworkInfo->pu8IEs = kmalloc(u16IEsLen, GFP_KERNEL);
+                       if (!pstrNetworkInfo->pu8IEs)
+                               return -ENOMEM;
+
                        memset((void *)(pstrNetworkInfo->pu8IEs), 0, u16IEsLen);
 
                        memcpy(pstrNetworkInfo->pu8IEs, pu8IEs, u16IEsLen);
@@ -918,6 +924,9 @@ s32 ParseAssocRespInfo(u8 *pu8Buffer, u32 u32BufferLen,
        u16 u16IEsLen = 0;
 
        pstrConnectRespInfo = kmalloc(sizeof(tstrConnectRespInfo), GFP_KERNEL);
+       if (!pstrConnectRespInfo)
+               return -ENOMEM;
+
        memset((void *)(pstrConnectRespInfo), 0, sizeof(tstrConnectRespInfo));
 
        /* u16AssocRespLen = pu8Buffer[0]; */
@@ -938,6 +947,9 @@ s32 ParseAssocRespInfo(u8 *pu8Buffer, u32 u32BufferLen,
                u16IEsLen = u16AssocRespLen - (CAP_INFO_LEN + STATUS_CODE_LEN + AID_LEN);
 
                pstrConnectRespInfo->pu8RespIEs = kmalloc(u16IEsLen, GFP_KERNEL);
+               if (!pstrConnectRespInfo->pu8RespIEs)
+                       return -ENOMEM;
+
                memset((void *)(pstrConnectRespInfo->pu8RespIEs), 0, u16IEsLen);
 
                memcpy(pstrConnectRespInfo->pu8RespIEs, pu8IEs, u16IEsLen);
@@ -1008,10 +1020,8 @@ s32 ParseSurveyResults(u8 ppu8RcvdSiteSurveyResults[][MAX_SURVEY_RESULT_FRAG_SIZ
 
        pstrSurveyResults = kmalloc_array(u32SurveyResultsCount,
                                sizeof(wid_site_survey_reslts_s), GFP_KERNEL);
-       if (pstrSurveyResults == NULL) {
-               u32SurveyResultsCount = 0;
-               WILC_ERRORREPORT(s32Error, WILC_NO_MEM);
-       }
+       if (!pstrSurveyResults)
+               return -ENOMEM;
 
        memset((void *)(pstrSurveyResults), 0, u32SurveyResultsCount * sizeof(wid_site_survey_reslts_s));