On Thu, 2015-07-23 at 20:19 +0900, Chaehyun Lim wrote:
> Add error check if memory allocation is failed.
trivia:
> diff --git 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_ATOMIC);
> + if (pstrNetworkInfo == NULL)
> + 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_ATOMIC);
> + if (pstrNetworkInfo->pu8IEs == NULL)
> + 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_ATOMIC);
> + if (pstrConnectRespInfo == NULL)
> + return -ENOMEM;
> +
> WILC_memset((void *)(pstrConnectRespInfo), 0,
> sizeof(tstrConnectRespInfo));
>
> /* u16AssocRespLen = pu8Buffer[0]; */
These could use kzalloc
> @@ -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_ATOMIC);
> + if (pstrConnectRespInfo->pu8RespIEs == NULL)
> + return -ENOMEM;
> +
> WILC_memset((void *)(pstrConnectRespInfo->pu8RespIEs), 0,
> u16IEsLen);
>
> WILC_memcpy(pstrConnectRespInfo->pu8RespIEs, pu8IEs, u16IEsLen);
And this one could use kmemdup
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