pcm: use nullptr instead of NULL

2 files changed, 3 insertions, 3 deletions

diff --git a/src/pcm/PcmConvert.hxx b/src/pcm/PcmConvert.hxx
index 7d05b3bb2..c65835421 100644
--- a/src/pcm/PcmConvert.hxx
+++ b/src/pcm/PcmConvert.hxx
@@ -73,9 +73,9 @@ public:
 	 * @param src_size the size of #src in bytes
 	 * @param dest_format the requested destination audio format
 	 * @param dest_size_r returns the number of bytes of the destination buffer
-	 * @param error_r location to store the error occurring, or NULL to
+	 * @param error_r location to store the error occurring, or nullptr to
 	 * ignore errors
-	 * @return the destination buffer, or NULL on error
+	 * @return the destination buffer, or nullptr on error
 	 */
 	const void *Convert(const void *src, size_t src_size,
 			    size_t *dest_size_r,
diff --git a/src/pcm/PcmDsdUsb.cxx b/src/pcm/PcmDsdUsb.cxx
index 1bfb4206f..a42b03e64 100644
--- a/src/pcm/PcmDsdUsb.cxx
+++ b/src/pcm/PcmDsdUsb.cxx
@@ -45,7 +45,7 @@ pcm_dsd_to_usb(PcmBuffer &buffer, unsigned channels,
 	       size_t *dest_size_r)
 {
 	assert(audio_valid_channel_count(channels));
-	assert(src != NULL);
+	assert(src != nullptr);
 	assert(src_size > 0);
 	assert(src_size % channels == 0);