* [arnd-playground:Wextra 5/32] sound/firewire/amdtp-stream.c:1097:43: sparse: sparse: incorrect type in argument 6 (invalid types)
@ 2020-10-19 7:04 kernel test robot
0 siblings, 0 replies; only message in thread
From: kernel test robot @ 2020-10-19 7:04 UTC (permalink / raw)
To: kbuild-all
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git Wextra
head: 5d0c476a9aa8d83304ee40320c1533a7443c6af5
commit: 828241168b4b6b303cbba8bf9e1b693a3fd6ed61 [5/32] firewire: fix function type cast warning
config: x86_64-randconfig-s021-20201019 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
# apt-get install sparse
# sparse version: v0.6.3-rc1-2-g368fd9ce-dirty
# https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git/commit/?id=828241168b4b6b303cbba8bf9e1b693a3fd6ed61
git remote add arnd-playground https://git.kernel.org/pub/scm/linux/kernel/git/arnd/playground.git
git fetch --no-tags arnd-playground Wextra
git checkout 828241168b4b6b303cbba8bf9e1b693a3fd6ed61
# save the attached .config to linux build tree
make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=x86_64
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
"sparse warnings: (new ones prefixed by >>)"
sound/firewire/amdtp-stream.c: note: in included file:
include/linux/firewire.h:434:52: sparse: sparse: attribute __transparent_union__ applied to non-union type
>> sound/firewire/amdtp-stream.c:1097:43: sparse: sparse: incorrect type in argument 6 (invalid types) @@ expected union fw_iso_callback_t [usertype] callback @@ got void ( * )( ... ) @@
>> sound/firewire/amdtp-stream.c:1097:43: sparse: expected union fw_iso_callback_t [usertype] callback
>> sound/firewire/amdtp-stream.c:1097:43: sparse: got void ( * )( ... )
--
sound/firewire/isight.c: note: in included file:
include/linux/firewire.h:434:52: sparse: sparse: attribute __transparent_union__ applied to non-union type
>> sound/firewire/isight.c:365:52: sparse: sparse: incorrect type in argument 6 (invalid types) @@ expected union fw_iso_callback_t [usertype] callback @@ got void ( * )( ... ) @@
>> sound/firewire/isight.c:365:52: sparse: expected union fw_iso_callback_t [usertype] callback
>> sound/firewire/isight.c:365:52: sparse: got void ( * )( ... )
vim +1097 sound/firewire/amdtp-stream.c
7b3b0d8583c926 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1023
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1024 /**
be4a28940a9973 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1025 * amdtp_stream_start - start transferring packets
be4a28940a9973 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1026 * @s: the AMDTP stream to start
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1027 * @channel: the isochronous channel on the bus
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1028 * @speed: firewire speed code
acfedcbe1ce4c6 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1029 * @start_cycle: the isochronous cycle to start the context. Start immediately
acfedcbe1ce4c6 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1030 * if negative value is given.
af86b0b1f4b045 sound/firewire/amdtp-stream.c Takashi Sakamoto 2020-05-08 1031 * @queue_size: The number of packets in the queue.
af86b0b1f4b045 sound/firewire/amdtp-stream.c Takashi Sakamoto 2020-05-08 1032 * @idle_irq_interval: the interval to queue packet during initial state.
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1033 *
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1034 * The stream cannot be started until it has been configured with
be4a28940a9973 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1035 * amdtp_stream_set_parameters() and it must be started before any PCM or MIDI
be4a28940a9973 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1036 * device can be started.
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1037 */
a0e023317e2d55 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1038 static int amdtp_stream_start(struct amdtp_stream *s, int channel, int speed,
af86b0b1f4b045 sound/firewire/amdtp-stream.c Takashi Sakamoto 2020-05-08 1039 int start_cycle, unsigned int queue_size,
af86b0b1f4b045 sound/firewire/amdtp-stream.c Takashi Sakamoto 2020-05-08 1040 unsigned int idle_irq_interval)
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1041 {
2472cfb3232caf sound/firewire/amdtp-stream.c Takashi Sakamoto 2020-05-08 1042 bool is_irq_target = (s == s->domain->irq_target);
d3d10a4a1b1950 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-21 1043 unsigned int ctx_header_size;
f11453c7cc010d sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-22 1044 unsigned int max_ctx_payload_size;
2b3fc456febf54 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1045 enum dma_data_direction dir;
7ab566453fe32d sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1046 int type, tag, err;
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1047
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1048 mutex_lock(&s->mutex);
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1049
be4a28940a9973 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1050 if (WARN_ON(amdtp_stream_running(s) ||
4b7da117e5e1cd sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1051 (s->data_block_quadlets < 1))) {
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1052 err = -EBADFD;
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1053 goto err_unlock;
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1054 }
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1055
d3d10a4a1b1950 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-21 1056 if (s->direction == AMDTP_IN_STREAM) {
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1057 // NOTE: IT context should be used for constant IRQ.
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1058 if (is_irq_target) {
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1059 err = -EINVAL;
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1060 goto err_unlock;
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1061 }
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1062
b6bc812327aa69 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1063 s->data_block_counter = UINT_MAX;
d3d10a4a1b1950 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-21 1064 } else {
4b7da117e5e1cd sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1065 s->data_block_counter = 0;
d3d10a4a1b1950 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-21 1066 }
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1067
2b3fc456febf54 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1068 /* initialize packet buffer */
2b3fc456febf54 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1069 if (s->direction == AMDTP_IN_STREAM) {
2b3fc456febf54 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1070 dir = DMA_FROM_DEVICE;
2b3fc456febf54 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1071 type = FW_ISO_CONTEXT_RECEIVE;
f11453c7cc010d sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-22 1072 if (!(s->flags & CIP_NO_HEADER))
f11453c7cc010d sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-22 1073 ctx_header_size = IR_CTX_HEADER_SIZE_CIP;
f11453c7cc010d sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-22 1074 else
f11453c7cc010d sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-22 1075 ctx_header_size = IR_CTX_HEADER_SIZE_NO_CIP;
b18f0cfaf16bee sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-24 1076
b18f0cfaf16bee sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-24 1077 max_ctx_payload_size = amdtp_stream_get_max_payload(s) -
b18f0cfaf16bee sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-24 1078 ctx_header_size;
2b3fc456febf54 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1079 } else {
2b3fc456febf54 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1080 dir = DMA_TO_DEVICE;
2b3fc456febf54 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1081 type = FW_ISO_CONTEXT_TRANSMIT;
df9160b9149912 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-21 1082 ctx_header_size = 0; // No effect for IT context.
f11453c7cc010d sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-22 1083
b18f0cfaf16bee sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-24 1084 max_ctx_payload_size = amdtp_stream_get_max_payload(s);
b18f0cfaf16bee sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-24 1085 if (!(s->flags & CIP_NO_HEADER))
b18f0cfaf16bee sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-24 1086 max_ctx_payload_size -= IT_PKT_HEADER_SIZE_CIP;
b18f0cfaf16bee sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-24 1087 }
f11453c7cc010d sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-22 1088
af86b0b1f4b045 sound/firewire/amdtp-stream.c Takashi Sakamoto 2020-05-08 1089 err = iso_packets_buffer_init(&s->buffer, s->unit, queue_size,
f11453c7cc010d sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-22 1090 max_ctx_payload_size, dir);
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1091 if (err < 0)
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1092 goto err_unlock;
af86b0b1f4b045 sound/firewire/amdtp-stream.c Takashi Sakamoto 2020-05-08 1093 s->queue_size = queue_size;
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1094
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1095 s->context = fw_iso_context_create(fw_parent_device(s->unit)->card,
d3d10a4a1b1950 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-21 1096 type, channel, speed, ctx_header_size,
2472cfb3232caf sound/firewire/amdtp-stream.c Takashi Sakamoto 2020-05-08 @1097 amdtp_stream_first_callback, s);
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1098 if (IS_ERR(s->context)) {
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1099 err = PTR_ERR(s->context);
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1100 if (err == -EBUSY)
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1101 dev_err(&s->unit->device,
be4a28940a9973 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1102 "no free stream on this controller\n");
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1103 goto err_buffer;
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1104 }
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1105
be4a28940a9973 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1106 amdtp_stream_update(s);
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1107
d3d10a4a1b1950 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-21 1108 if (s->direction == AMDTP_IN_STREAM) {
f11453c7cc010d sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-22 1109 s->ctx_data.tx.max_ctx_payload_length = max_ctx_payload_size;
d3d10a4a1b1950 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-21 1110 s->ctx_data.tx.ctx_header_size = ctx_header_size;
d3d10a4a1b1950 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-21 1111 }
52759c0963510a sound/firewire/amdtp-stream.c Takashi Sakamoto 2018-04-29 1112
3b196c394dd9f8 sound/firewire/amdtp-stream.c Takashi Sakamoto 2017-03-31 1113 if (s->flags & CIP_NO_HEADER)
3b196c394dd9f8 sound/firewire/amdtp-stream.c Takashi Sakamoto 2017-03-31 1114 s->tag = TAG_NO_CIP_HEADER;
3b196c394dd9f8 sound/firewire/amdtp-stream.c Takashi Sakamoto 2017-03-31 1115 else
3b196c394dd9f8 sound/firewire/amdtp-stream.c Takashi Sakamoto 2017-03-31 1116 s->tag = TAG_CIP;
3b196c394dd9f8 sound/firewire/amdtp-stream.c Takashi Sakamoto 2017-03-31 1117
a0e023317e2d55 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1118 s->pkt_descs = kcalloc(s->queue_size, sizeof(*s->pkt_descs),
04130cf8e296bf sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-07-22 1119 GFP_KERNEL);
04130cf8e296bf sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-07-22 1120 if (!s->pkt_descs) {
04130cf8e296bf sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-07-22 1121 err = -ENOMEM;
04130cf8e296bf sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-07-22 1122 goto err_context;
04130cf8e296bf sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-07-22 1123 }
04130cf8e296bf sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-07-22 1124
ec00f5e444706c sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1125 s->packet_index = 0;
4b7da117e5e1cd sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1126 do {
6007bf5460cc3b sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-24 1127 struct fw_iso_packet params;
e229853d505d7a sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1128
b18f0cfaf16bee sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-24 1129 if (s->direction == AMDTP_IN_STREAM) {
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1130 err = queue_in_packet(s, ¶ms);
b18f0cfaf16bee sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-24 1131 } else {
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1132 bool sched_irq = false;
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1133
b18f0cfaf16bee sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-24 1134 params.header_length = 0;
b18f0cfaf16bee sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-24 1135 params.payload_length = 0;
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1136
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1137 if (is_irq_target) {
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1138 sched_irq = !((s->packet_index + 1) %
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1139 idle_irq_interval);
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1140 }
60dd49298ec580 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1141
e229853d505d7a sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1142 err = queue_out_packet(s, ¶ms, sched_irq);
b18f0cfaf16bee sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-05-24 1143 }
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1144 if (err < 0)
04130cf8e296bf sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-07-22 1145 goto err_pkt_descs;
4b7da117e5e1cd sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1146 } while (s->packet_index > 0);
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1147
2b3fc456febf54 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1148 /* NOTE: TAG1 matches CIP. This just affects in stream. */
7ab566453fe32d sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1149 tag = FW_ISO_CONTEXT_MATCH_TAG1;
3b196c394dd9f8 sound/firewire/amdtp-stream.c Takashi Sakamoto 2017-03-31 1150 if ((s->flags & CIP_EMPTY_WITH_TAG0) || (s->flags & CIP_NO_HEADER))
7ab566453fe32d sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1151 tag |= FW_ISO_CONTEXT_MATCH_TAG0;
7ab566453fe32d sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1152
7b3b0d8583c926 sound/firewire/amdtp.c Takashi Sakamoto 2014-04-25 1153 s->callbacked = false;
acfedcbe1ce4c6 sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-10-18 1154 err = fw_iso_context_start(s->context, start_cycle, 0, tag);
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1155 if (err < 0)
04130cf8e296bf sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-07-22 1156 goto err_pkt_descs;
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1157
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1158 mutex_unlock(&s->mutex);
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1159
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1160 return 0;
04130cf8e296bf sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-07-22 1161 err_pkt_descs:
04130cf8e296bf sound/firewire/amdtp-stream.c Takashi Sakamoto 2019-07-22 1162 kfree(s->pkt_descs);
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1163 err_context:
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1164 fw_iso_context_destroy(s->context);
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1165 s->context = ERR_PTR(-1);
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1166 err_buffer:
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1167 iso_packets_buffer_destroy(&s->buffer, s->unit);
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1168 err_unlock:
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1169 mutex_unlock(&s->mutex);
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1170
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1171 return err;
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1172 }
31ef9134eb5263 sound/firewire/amdtp.c Clemens Ladisch 2011-03-15 1173
:::::: The code at line 1097 was first introduced by commit
:::::: 2472cfb3232caf8f68e4d93ae830c569b0bbc25b ALSA: firewire-lib: add reference to domain structure from stream structure
:::::: TO: Takashi Sakamoto <o-takashi@sakamocchi.jp>
:::::: CC: Takashi Iwai <tiwai@suse.de>
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org
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