Drop remaining unneeded != NULL

Reviewed-by: Clément Bœsch <u@pkh.me>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

6 files changed, 8 insertions, 8 deletions

diff --git a/libavformat/lrcenc.c b/libavformat/lrcenc.c
index c1afc2ccac..b316ccd6d8 100644
--- a/libavformat/lrcenc.c
+++ b/libavformat/lrcenc.c
@@ -64,15 +64,15 @@ static int lrc_write_header(AVFormatContext *s)
     }
     for(metadata_item = NULL;
        (metadata_item = av_dict_get(s->metadata, "", metadata_item,
-                                    AV_DICT_IGNORE_SUFFIX)) != NULL;) {
+                                    AV_DICT_IGNORE_SUFFIX));) {
         char *delim;
         if(!metadata_item->value[0]) {
             continue;
         }
-        while((delim = strchr(metadata_item->value, '\n')) != NULL) {
+        while((delim = strchr(metadata_item->value, '\n'))) {
             *delim = ' ';
         }
-        while((delim = strchr(metadata_item->value, '\r')) != NULL) {
+        while((delim = strchr(metadata_item->value, '\r'))) {
             *delim = ' ';
         }
         avio_printf(s->pb, "[%s:%s]\n",
diff --git a/libavformat/matroskadec.c b/libavformat/matroskadec.c
index dd1478cbf4..09d23f67ed 100644
--- a/libavformat/matroskadec.c
+++ b/libavformat/matroskadec.c
@@ -1772,7 +1772,7 @@ static int matroska_parse_tracks(AVFormatContext *s)
             extradata_offset = FFMIN(track->codec_priv.size, 18);
         } else if (!strcmp(track->codec_id, "A_QUICKTIME")
                    && (track->codec_priv.size >= 86)
-                   && (track->codec_priv.data != NULL)) {
+                   && (track->codec_priv.data)) {
             fourcc = AV_RL32(track->codec_priv.data + 4);
             codec_id = ff_codec_get_id(ff_codec_movaudio_tags, fourcc);
             if (ff_codec_get_id(ff_codec_movaudio_tags, AV_RL32(track->codec_priv.data))) {
diff --git a/libavformat/mov.c b/libavformat/mov.c
index 767833ed05..a531fd47c8 100644
--- a/libavformat/mov.c
+++ b/libavformat/mov.c
@@ -3081,7 +3081,7 @@ static int mov_read_uuid(MOVContext *c, AVIOContext *pb, MOVAtom atom)
         }
 
         ptr = buffer;
-        while ((ptr = av_stristr(ptr, "systemBitrate=\"")) != NULL) {
+        while ((ptr = av_stristr(ptr, "systemBitrate=\""))) {
             ptr += sizeof("systemBitrate=\"") - 1;
             c->bitrates_count++;
             c->bitrates = av_realloc_f(c->bitrates, c->bitrates_count, sizeof(*c->bitrates));
diff --git a/libavformat/rtpdec_h264.c b/libavformat/rtpdec_h264.c
index 51704aaf73..4dbbae770b 100644
--- a/libavformat/rtpdec_h264.c
+++ b/libavformat/rtpdec_h264.c
@@ -71,7 +71,7 @@ static int sdp_parse_fmtp_config_h264(AVFormatContext *s,
 {
     AVCodecContext *codec = stream->codec;
     assert(codec->codec_id == AV_CODEC_ID_H264);
-    assert(h264_data != NULL);
+    assert(h264_data);
 
     if (!strcmp(attr, "packetization-mode")) {
         av_log(s, AV_LOG_DEBUG, "RTP Packetization Mode: %d\n", atoi(value));
diff --git a/libavformat/sctp.c b/libavformat/sctp.c
index f88cd2795d..a4406d1e40 100644
--- a/libavformat/sctp.c
+++ b/libavformat/sctp.c
@@ -98,7 +98,7 @@ static int ff_sctp_recvmsg(int s, void *msg, size_t len, struct sockaddr *from,
     if (msg_flags)
         *msg_flags = inmsg.msg_flags;
 
-    for (cmsg = CMSG_FIRSTHDR(&inmsg); cmsg != NULL;
+    for (cmsg = CMSG_FIRSTHDR(&inmsg); cmsg;
          cmsg = CMSG_NXTHDR(&inmsg, cmsg)) {
         if ((IPPROTO_SCTP == cmsg->cmsg_level) &&
             (SCTP_SNDRCV  == cmsg->cmsg_type))
diff --git a/libavformat/webmdashenc.c b/libavformat/webmdashenc.c
index 9cc8d1928c..fc77c247c7 100644
--- a/libavformat/webmdashenc.c
+++ b/libavformat/webmdashenc.c
@@ -150,7 +150,7 @@ static int write_adaptation_set(AVFormatContext *s, int as_index)
     avio_printf(s->pb, " codecs=\"%s\"", get_codec_name(codec->codec_id));
 
     lang = av_dict_get(s->streams[as->streams[0]]->metadata, "language", NULL, 0);
-    if (lang != NULL) avio_printf(s->pb, " lang=\"%s\"", lang->value);
+    if (lang) avio_printf(s->pb, " lang=\"%s\"", lang->value);
 
     if (codec->codec_type == AVMEDIA_TYPE_VIDEO) {
         avio_printf(s->pb, " width=\"%d\"", codec->width);