Fix some of the things clang --analyze flagged

code/client/cl_console.c

@@ -615,8 +615,6 @@ void Con_DrawNotify (void)
 
 		Field_BigDraw( &chatField, skip * BIGCHAR_WIDTH, v,
 			SCREEN_WIDTH - ( skip + 1 ) * BIGCHAR_WIDTH, qtrue, qtrue );
-
-		v += BIGCHAR_HEIGHT;
 	}
 
 }

code/client/snd_adpcm.c

@@ -310,7 +310,7 @@ void S_AdpcmEncodeSound( sfx_t *sfx, short *samples ) {
 		newchunk = SND_malloc();
 		if (sfx->soundData == NULL) {
 			sfx->soundData = newchunk;
-		} else {
+		} else if (chunk != NULL) {
 			chunk->next = newchunk;
 		}
 		chunk = newchunk;

code/client/snd_dma.c

@@ -1452,7 +1452,6 @@ void S_UpdateBackgroundTrack( void ) {
 		r = S_CodecReadStream(s_backgroundStream, fileBytes, raw);
 		if(r < fileBytes)
 		{
-			fileBytes = r;
 			fileSamples = r / (s_backgroundStream->info.width * s_backgroundStream->info.channels);
 		}
 

code/client/snd_mix.c

@@ -598,7 +598,7 @@ void S_PaintChannelFromMuLaw( channel_t *ch, sfx_t *sc, int count, int sampleOff
 			samp[i].left += (data * leftvol)>>8;
 			samp[i].right += (data * rightvol)>>8;
 			samples++;
-			if (samples == (byte *)chunk->sndChunk+(SND_CHUNK_SIZE*2)) {
+			if (chunk != NULL && samples == (byte *)chunk->sndChunk+(SND_CHUNK_SIZE*2)) {
 				chunk = chunk->next;
 				samples = (byte *)chunk->sndChunk;
 			}

code/client/snd_openal.c

@@ -2496,8 +2496,6 @@ qboolean S_AL_Init( soundInterface_t *si )
 				devicelist += curlen + 1;
 			}
 		}
-		else
-			devicelist = "";
 
 		s_alAvailableDevices = Cvar_Get("s_alAvailableDevices", devicenames, CVAR_ROM | CVAR_NORESTART);
 	}

code/client/snd_wavelet.c

@@ -29,7 +29,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 
 void daub4(float b[], unsigned long n, int isign)
 {
-	float wksp[4097];
+	float wksp[4097] = { 0.0f };
 	float	*a=b-1;						// numerical recipies so a[1] = b[0]
 
 	unsigned long nh,nh1,i,j;
@@ -146,7 +146,7 @@ void encodeWavelet( sfx_t *sfx, short *packets) {
 		newchunk = SND_malloc();
 		if (sfx->soundData == NULL) {
 			sfx->soundData = newchunk;
-		} else {
+		} else if (chunk != NULL) {
 			chunk->next = newchunk;
 		}
 		chunk = newchunk;
@@ -215,7 +215,7 @@ void encodeMuLaw( sfx_t *sfx, short *packets) {
 		newchunk = SND_malloc();
 		if (sfx->soundData == NULL) {
 			sfx->soundData = newchunk;
-		} else {
+		} else if (chunk != NULL) {
 			chunk->next = newchunk;
 		}
 		chunk = newchunk;