[PATCH V3 2/3] staging: wilc1000: coreconfigurator.c: add kmalloc error check

[Chaehyun Lim <chaehyun.lim@gmail.com>]

Add error check if memory allocation is failed.

Signed-off-by: Chaehyun Lim <chaehyun.lim@gmail.com>
---
V2: use ! operator instead of NULL comparison
V3: this patch is rebased by previous modification

 drivers/staging/wilc1000/coreconfigurator.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/staging/wilc1000/coreconfigurator.c b/drivers/staging/wilc1000/coreconfigurator.c
index fb37367..0ff9705 100644
--- a/drivers/staging/wilc1000/coreconfigurator.c
+++ b/drivers/staging/wilc1000/coreconfigurator.c
@@ -812,6 +812,9 @@ s32 ParseNetworkInfo(u8 *pu8MsgBuffer, tstrNetworkInfo **ppstrNetworkInfo)
 		u32 u32Tsf_Hi;
 
 		pstrNetworkInfo = kmalloc(sizeof(tstrNetworkInfo), GFP_KERNEL);
+		if (!pstrNetworkInfo)
+			return -ENOMEM;
+
 		WILC_memset((void *)(pstrNetworkInfo), 0, sizeof(tstrNetworkInfo));
 
 		pstrNetworkInfo->s8rssi = pu8WidVal[0];
@@ -863,6 +866,9 @@ s32 ParseNetworkInfo(u8 *pu8MsgBuffer, tstrNetworkInfo **ppstrNetworkInfo)
 
 		if (u16IEsLen > 0) {
 			pstrNetworkInfo->pu8IEs = kmalloc(u16IEsLen, GFP_KERNEL);
+			if (!pstrNetworkInfo->pu8IEs)
+				return -ENOMEM;
+
 			WILC_memset((void *)(pstrNetworkInfo->pu8IEs), 0, u16IEsLen);
 
 			WILC_memcpy(pstrNetworkInfo->pu8IEs, pu8IEs, u16IEsLen);
@@ -930,6 +936,9 @@ s32 ParseAssocRespInfo(u8 *pu8Buffer, u32 u32BufferLen,
 	u16 u16IEsLen = 0;
 
 	pstrConnectRespInfo = kmalloc(sizeof(tstrConnectRespInfo), GFP_KERNEL);
+	if (!pstrConnectRespInfo)
+		return -ENOMEM;
+
 	WILC_memset((void *)(pstrConnectRespInfo), 0, sizeof(tstrConnectRespInfo));
 
 	/* u16AssocRespLen = pu8Buffer[0]; */
@@ -950,6 +959,9 @@ 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;
+
 		WILC_memset((void *)(pstrConnectRespInfo->pu8RespIEs), 0, u16IEsLen);
 
 		WILC_memcpy(pstrConnectRespInfo->pu8RespIEs, pu8IEs, u16IEsLen);
-- 
1.9.1