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media: vidtv: cleanup PSI descriptor write function

Browse source 
This function initializes the psi_args twice, and receives
a struct, instead of a pointer to a struct.

Clean it up.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2020-11-24 09:25:00 +01:00
parent 9e0067417b
commit 974ea17692
1 changed files with 51 additions and 53 deletions
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104
drivers/media/test-drivers/vidtv/vidtv_psi.c
View file

@ -634,69 +634,67 @@ void vidtv_sdt_desc_assign(struct vidtv_psi_table_sdt *sdt,
vidtv_psi_update_version_num(&sdt->header);
}
static u32 vidtv_psi_desc_write_into(struct desc_write_args args)
static u32 vidtv_psi_desc_write_into(struct desc_write_args *args)
{
struct psi_write_args psi_args = {
.dest_buf = args->dest_buf,
.from = &args->desc->type,
.pid = args->pid,
.new_psi_section = false,
.continuity_counter = args->continuity_counter,
.is_crc = false,
.dest_buf_sz = args->dest_buf_sz,
.crc = args->crc,
.len = sizeof_field(struct vidtv_psi_desc, type) +
sizeof_field(struct vidtv_psi_desc, length),
};
struct vidtv_psi_desc_service_list_entry *serv_list_entry = NULL;
struct psi_write_args psi_args = {};
/* the number of bytes written by this function */
u32 nbytes = 0;
psi_args.dest_buf = args.dest_buf;
psi_args.from = &args.desc->type;
psi_args.len = sizeof_field(struct vidtv_psi_desc, type) +
sizeof_field(struct vidtv_psi_desc, length);
psi_args.dest_offset = args.dest_offset + nbytes;
psi_args.pid = args.pid;
psi_args.new_psi_section = false;
psi_args.continuity_counter = args.continuity_counter;
psi_args.is_crc = false;
psi_args.dest_buf_sz = args.dest_buf_sz;
psi_args.crc = args.crc;
psi_args.dest_offset = args->dest_offset + nbytes;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
switch (args.desc->type) {
switch (args->desc->type) {
case SERVICE_DESCRIPTOR:
psi_args.dest_offset = args.dest_offset + nbytes;
psi_args.dest_offset = args->dest_offset + nbytes;
psi_args.len = sizeof_field(struct vidtv_psi_desc_service, service_type) +
sizeof_field(struct vidtv_psi_desc_service, provider_name_len);
psi_args.from = &((struct vidtv_psi_desc_service *)args.desc)->service_type;
psi_args.from = &((struct vidtv_psi_desc_service *)args->desc)->service_type;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
psi_args.dest_offset = args.dest_offset + nbytes;
psi_args.len = ((struct vidtv_psi_desc_service *)args.desc)->provider_name_len;
psi_args.from = ((struct vidtv_psi_desc_service *)args.desc)->provider_name;
psi_args.dest_offset = args->dest_offset + nbytes;
psi_args.len = ((struct vidtv_psi_desc_service *)args->desc)->provider_name_len;
psi_args.from = ((struct vidtv_psi_desc_service *)args->desc)->provider_name;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
psi_args.dest_offset = args.dest_offset + nbytes;
psi_args.dest_offset = args->dest_offset + nbytes;
psi_args.len = sizeof_field(struct vidtv_psi_desc_service, service_name_len);
psi_args.from = &((struct vidtv_psi_desc_service *)args.desc)->service_name_len;
psi_args.from = &((struct vidtv_psi_desc_service *)args->desc)->service_name_len;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
psi_args.dest_offset = args.dest_offset + nbytes;
psi_args.len = ((struct vidtv_psi_desc_service *)args.desc)->service_name_len;
psi_args.from = ((struct vidtv_psi_desc_service *)args.desc)->service_name;
psi_args.dest_offset = args->dest_offset + nbytes;
psi_args.len = ((struct vidtv_psi_desc_service *)args->desc)->service_name_len;
psi_args.from = ((struct vidtv_psi_desc_service *)args->desc)->service_name;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
break;
case NETWORK_NAME_DESCRIPTOR:
psi_args.dest_offset = args.dest_offset + nbytes;
psi_args.len = args.desc->length;
psi_args.from = ((struct vidtv_psi_desc_network_name *)args.desc)->network_name;
psi_args.dest_offset = args->dest_offset + nbytes;
psi_args.len = args->desc->length;
psi_args.from = ((struct vidtv_psi_desc_network_name *)args->desc)->network_name;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
break;
case SERVICE_LIST_DESCRIPTOR:
serv_list_entry = ((struct vidtv_psi_desc_service_list *)args.desc)->service_list;
serv_list_entry = ((struct vidtv_psi_desc_service_list *)args->desc)->service_list;
while (serv_list_entry) {
psi_args.dest_offset = args.dest_offset + nbytes;
psi_args.dest_offset = args->dest_offset + nbytes;
psi_args.len = sizeof(struct vidtv_psi_desc_service_list_entry) -
sizeof(struct vidtv_psi_desc_service_list_entry *);
psi_args.from = serv_list_entry;
@ -708,35 +706,35 @@ static u32 vidtv_psi_desc_write_into(struct desc_write_args args)
break;
case SHORT_EVENT_DESCRIPTOR:
psi_args.dest_offset = args.dest_offset + nbytes;
psi_args.dest_offset = args->dest_offset + nbytes;
psi_args.len = ISO_LANGUAGE_CODE_LEN;
psi_args.from = ((struct vidtv_psi_desc_short_event *)
args.desc)->iso_language_code;
args->desc)->iso_language_code;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
psi_args.dest_offset = args.dest_offset + nbytes;
psi_args.dest_offset = args->dest_offset + nbytes;
psi_args.len = sizeof_field(struct vidtv_psi_desc_short_event, event_name_len);
psi_args.from = &((struct vidtv_psi_desc_short_event *)
args.desc)->event_name_len;
args->desc)->event_name_len;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
psi_args.dest_offset = args.dest_offset + nbytes;
psi_args.len = ((struct vidtv_psi_desc_short_event *)args.desc)->event_name_len;
psi_args.from = ((struct vidtv_psi_desc_short_event *)args.desc)->event_name;
psi_args.dest_offset = args->dest_offset + nbytes;
psi_args.len = ((struct vidtv_psi_desc_short_event *)args->desc)->event_name_len;
psi_args.from = ((struct vidtv_psi_desc_short_event *)args->desc)->event_name;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
psi_args.dest_offset = args.dest_offset + nbytes;
psi_args.dest_offset = args->dest_offset + nbytes;
psi_args.len = sizeof_field(struct vidtv_psi_desc_short_event, text_len);
psi_args.from = &((struct vidtv_psi_desc_short_event *)args.desc)->text_len;
psi_args.from = &((struct vidtv_psi_desc_short_event *)args->desc)->text_len;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
psi_args.dest_offset = args.dest_offset + nbytes;
psi_args.len = ((struct vidtv_psi_desc_short_event *)args.desc)->text_len;
psi_args.from = ((struct vidtv_psi_desc_short_event *)args.desc)->text;
psi_args.dest_offset = args->dest_offset + nbytes;
psi_args.len = ((struct vidtv_psi_desc_short_event *)args->desc)->text_len;
psi_args.from = ((struct vidtv_psi_desc_short_event *)args->desc)->text;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
@ -744,9 +742,9 @@ static u32 vidtv_psi_desc_write_into(struct desc_write_args args)
case REGISTRATION_DESCRIPTOR:
default:
psi_args.dest_offset = args.dest_offset + nbytes;
psi_args.len = args.desc->length;
psi_args.from = &args.desc->data;
psi_args.dest_offset = args->dest_offset + nbytes;
psi_args.len = args->desc->length;
psi_args.from = &args->desc->data;
nbytes += vidtv_psi_ts_psi_write_into(&psi_args);
break;
@ -1212,7 +1210,7 @@ u32 vidtv_psi_pmt_write_into(struct vidtv_psi_pmt_write_args args)
d_args.dest_buf_sz = args.buf_sz;
d_args.crc = &crc;
nbytes += vidtv_psi_desc_write_into(d_args);
nbytes += vidtv_psi_desc_write_into(&d_args);
table_descriptor = table_descriptor->next;
}
@ -1239,7 +1237,7 @@ u32 vidtv_psi_pmt_write_into(struct vidtv_psi_pmt_write_args args)
d_args.dest_buf_sz = args.buf_sz;
d_args.crc = &crc;
nbytes += vidtv_psi_desc_write_into(d_args);
nbytes += vidtv_psi_desc_write_into(&d_args);
stream_descriptor = stream_descriptor->next;
}
@ -1378,7 +1376,7 @@ u32 vidtv_psi_sdt_write_into(struct vidtv_psi_sdt_write_args args)
d_args.dest_buf_sz = args.buf_sz;
d_args.crc = &crc;
nbytes += vidtv_psi_desc_write_into(d_args);
nbytes += vidtv_psi_desc_write_into(&d_args);
service_desc = service_desc->next;
}
@ -1699,7 +1697,7 @@ u32 vidtv_psi_nit_write_into(struct vidtv_psi_nit_write_args args)
d_args.dest_buf_sz = args.buf_sz;
d_args.crc = &crc;
nbytes += vidtv_psi_desc_write_into(d_args);
nbytes += vidtv_psi_desc_write_into(&d_args);
table_descriptor = table_descriptor->next;
}
@ -1735,7 +1733,7 @@ u32 vidtv_psi_nit_write_into(struct vidtv_psi_nit_write_args args)
d_args.dest_buf_sz = args.buf_sz;
d_args.crc = &crc;
nbytes += vidtv_psi_desc_write_into(d_args);
nbytes += vidtv_psi_desc_write_into(&d_args);
transport_descriptor = transport_descriptor->next;
}
@ -1925,7 +1923,7 @@ u32 vidtv_psi_eit_write_into(struct vidtv_psi_eit_write_args args)
d_args.dest_buf_sz = args.buf_sz;
d_args.crc = &crc;
nbytes += vidtv_psi_desc_write_into(d_args);
nbytes += vidtv_psi_desc_write_into(&d_args);
event_descriptor = event_descriptor->next;
}