Return error from low level driver when necessary.

dlls/dsound/buffer.c

@@ -207,6 +207,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
 ) {
 	IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 	LONG oldVol;
+	HRESULT hres = DS_OK;
 
 	TRACE("(%p,%ld)\n",This,vol);
 
@@ -235,7 +236,6 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
 
 	if (vol != oldVol) {
 		if (This->hwbuf) {
-	    		HRESULT hres;
 			hres = IDsDriverBuffer_SetVolumePan(This->hwbuf, &(This->volpan));
 	    		if (hres != DS_OK)
 		    		WARN("IDsDriverBuffer_SetVolumePan failed\n");
@@ -246,7 +246,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_SetVolume(
 	LeaveCriticalSection(&(This->lock));
 	/* **** */
 
-	return DS_OK;
+	return hres;
 }
 
 static HRESULT WINAPI IDirectSoundBufferImpl_GetVolume(
@@ -795,6 +795,7 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 ) {
 	IDirectSoundBufferImpl *This = (IDirectSoundBufferImpl *)iface;
 	DWORD probably_valid_to;
+	HRESULT hres = DS_OK;
 
 	TRACE("(%p,%p,%ld,%p,%ld)\n", This,p1,x1,p2,x2);
 
@@ -802,15 +803,12 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 	EnterCriticalSection(&(This->lock));
 
 	if (!(This->dsound->drvdesc.dwFlags & DSDDESC_DONTNEEDSECONDARYLOCK) && This->hwbuf) {
-		HRESULT hres;
 		hres = IDsDriverBuffer_Unlock(This->hwbuf, p1, x1, p2, x2);
-		if (hres != DS_OK) {
-			LeaveCriticalSection(&(This->lock));
+		if (hres != DS_OK)
 			WARN("IDsDriverBuffer_Unlock failed\n");
-			return hres;
-		}
 	}
 
+        if (hres == DS_OK) {
 		if (p2) probably_valid_to = (((LPBYTE)p2)-This->buffer->memory) + x2;
 		else probably_valid_to = (((LPBYTE)p1)-This->buffer->memory) + x1;
 		probably_valid_to %= This->buflen;
@@ -820,12 +818,13 @@ static HRESULT WINAPI IDirectSoundBufferImpl_Unlock(
 			/* see IDirectSoundBufferImpl_Lock */
 			probably_valid_to = (DWORD)-1;
 		This->probably_valid_to = probably_valid_to;
+	}
 
 	LeaveCriticalSection(&(This->lock));
 	/* **** */
 
 	TRACE("probably_valid_to=%ld\n", This->probably_valid_to);
-	return DS_OK;
+	return hres;
 }
 
 static HRESULT WINAPI IDirectSoundBufferImpl_Restore(

dlls/dsound/primary.c

@@ -775,7 +775,7 @@ static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 	IDirectSoundImpl* dsound = This->dsound;
 	DWORD ampfactors;
 	DSVOLUMEPAN volpan;
-        HRESULT hres;
+        HRESULT hres = DS_OK;
 
 	TRACE("(%p,%ld)\n",This,pan);
 
@@ -803,8 +803,7 @@ static HRESULT WINAPI PrimaryBufferImpl_SetPan(
                 hres = IDsDriverBuffer_SetVolumePan(dsound->hwbuf, &volpan);
                 if (hres != DS_OK)
                     WARN("IDsDriverBuffer_SetVolumePan failed\n");
-            }
-            else {
+            } else {
                 ampfactors = (volpan.dwTotalLeftAmpFactor & 0xffff) | (volpan.dwTotalRightAmpFactor << 16);
                 waveOutSetVolume(dsound->hwo, ampfactors);
             }
@@ -813,7 +812,7 @@ static HRESULT WINAPI PrimaryBufferImpl_SetPan(
 	LeaveCriticalSection(&(dsound->mixlock));
 	/* **** */
 
-	return DS_OK;
+	return hres;
 }
 
 static HRESULT WINAPI PrimaryBufferImpl_GetPan(