[freerdp] mark all WINPR_ATTR_MALLOC also nodiscard

libfreerdp/codec/bulk.h

@@ -42,6 +42,7 @@ FREERDP_LOCAL void bulk_reset(rdpBulk* WINPR_RESTRICT bulk);
 FREERDP_LOCAL void bulk_free(rdpBulk* bulk);
 
 WINPR_ATTR_MALLOC(bulk_free, 1)
+WINPR_ATTR_NODISCARD
 FREERDP_LOCAL rdpBulk* bulk_new(rdpContext* context);
 
 #endif /* FREERDP_LIB_CORE_BULK_H */

libfreerdp/codec/dsp_ffmpeg.h

@@ -35,7 +35,9 @@
 void freerdp_dsp_ffmpeg_context_free(FREERDP_DSP_CONTEXT* context);
 
 WINPR_ATTR_MALLOC(freerdp_dsp_ffmpeg_context_free, 1)
+WINPR_ATTR_NODISCARD
 FREERDP_DSP_CONTEXT* freerdp_dsp_ffmpeg_context_new(BOOL encode);
+
 BOOL freerdp_dsp_ffmpeg_supports_format(const AUDIO_FORMAT* format, BOOL encode);
 BOOL freerdp_dsp_ffmpeg_encode(FREERDP_DSP_CONTEXT* context, const AUDIO_FORMAT* srcFormat,
                                const BYTE* data, size_t length, wStream* out);

libfreerdp/codec/region.c

@@ -204,6 +204,7 @@ void region16_clear(REGION16* region)
 }
 
 WINPR_ATTR_MALLOC(freeRegion, 1)
+WINPR_ATTR_NODISCARD
 static REGION16_DATA* allocateRegion(size_t nbItems)
 {
 	REGION16_DATA* data = calloc(1, sizeof(REGION16_DATA));