[PATCH] ole32: Some missing error checking in FileMonikerImpl_CommonPrefixWith (Coverity)

[Rob Shearman]

2009/11/23 Marcus Meissner <marcus at jet.franken.de>:
>     if(mkSys==MKSYS_FILEMONIKER){
>         HRESULT ret;
>
> -        CreateBindCtx(0,&pbind);
> +        ret = CreateBindCtx(0,&pbind);
> +        if (FAILED(ret))
> +            return ret;
>
>         /* create a string based on common part of the two paths */
>
> -        IMoniker_GetDisplayName(iface,pbind,NULL,&pathThis);
> -        IMoniker_GetDisplayName(pmkOther,pbind,NULL,&pathOther);
> +        ret = IMoniker_GetDisplayName(iface,pbind,NULL,&pathThis);
> +        if (FAILED(ret))
> +            return ret;

pbind is leaked here.

> +        ret = IMoniker_GetDisplayName(pmkOther,pbind,NULL,&pathOther);
> +        if (FAILED(ret))
> +            return ret;

pbind and pathThis are leaked here.

>
>         nb1=FileMonikerImpl_DecomposePath(pathThis,&stringTable1);
> +        if (FAILED(nb1))
> +            return nb1;

Ditto plus pathOther.

>         nb2=FileMonikerImpl_DecomposePath(pathOther,&stringTable2);
> +        if (FAILED(nb2))
> +            return nb2;

Ditto plus stringTable1.

>
>         if (nb1==0 || nb2==0)
>             return MK_E_NOPREFIX;
>
>         commonPath=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(min(lstrlenW(pathThis),lstrlenW(pathOther))+1));
> +        if (!commonPath)
> +            return E_OUTOFMEMORY;

Ditto plus stringTable2.

>
>         *commonPath=0;

-- 
Rob Shearman