cosmetics: Write NULL pointer inequality checks more compactly

Signed-off-by: Diego Biurrun <diego@biurrun.de>

1 files changed, 7 insertions, 7 deletions

diff --git a/libavcodec/qdm2.c b/libavcodec/qdm2.c
index 3041182e25..94bda9169a 100644
--- a/libavcodec/qdm2.c
+++ b/libavcodec/qdm2.c
@@ -455,7 +455,7 @@ static void qdm2_decode_sub_packet_header(GetBitContext *gb,
 static QDM2SubPNode *qdm2_search_subpacket_type_in_list(QDM2SubPNode *list,
                                                         int type)
 {
-    while (list != NULL && list->packet != NULL) {
+    while (list && list->packet) {
         if (list->packet->type == type)
             return list;
         list = list->next;
@@ -1211,23 +1211,23 @@ static void process_synthesis_subpackets(QDM2Context *q, QDM2SubPNode *list)
     QDM2SubPNode *nodes[4];
 
     nodes[0] = qdm2_search_subpacket_type_in_list(list, 9);
-    if (nodes[0] != NULL)
+    if (nodes[0])
         process_subpacket_9(q, nodes[0]);
 
     nodes[1] = qdm2_search_subpacket_type_in_list(list, 10);
-    if (nodes[1] != NULL)
+    if (nodes[1])
         process_subpacket_10(q, nodes[1]);
     else
         process_subpacket_10(q, NULL);
 
     nodes[2] = qdm2_search_subpacket_type_in_list(list, 11);
-    if (nodes[0] != NULL && nodes[1] != NULL && nodes[2] != NULL)
+    if (nodes[0] && nodes[1] && nodes[2])
         process_subpacket_11(q, nodes[2]);
     else
         process_subpacket_11(q, NULL);
 
     nodes[3] = qdm2_search_subpacket_type_in_list(list, 12);
-    if (nodes[0] != NULL && nodes[1] != NULL && nodes[3] != NULL)
+    if (nodes[0] && nodes[1] && nodes[3])
         process_subpacket_12(q, nodes[3]);
     else
         process_subpacket_12(q, NULL);
@@ -1352,7 +1352,7 @@ static void qdm2_decode_super_block(QDM2Context *q)
         }
     } // Packet bytes loop
 
-    if (q->sub_packet_list_D[0].packet != NULL) {
+    if (q->sub_packet_list_D[0].packet) {
         process_synthesis_subpackets(q, q->sub_packet_list_D);
         q->do_synth_filter = 1;
     } else if (q->do_synth_filter) {
@@ -1939,7 +1939,7 @@ static int qdm2_decode(QDM2Context *q, const uint8_t *in, int16_t *out)
     for (ch = 0; ch < q->channels; ch++) {
         qdm2_calculate_fft(q, ch, q->sub_packet);
 
-        if (!q->has_errors && q->sub_packet_list_C[0].packet != NULL) {
+        if (!q->has_errors && q->sub_packet_list_C[0].packet) {
             SAMPLES_NEEDED_2("has errors, and C list is not empty")
             return -1;
         }