Commit 84306c96 authored by Daniel W. S. Almeida's avatar Daniel W. S. Almeida Committed by Mauro Carvalho Chehab
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media: vidtv: psi: extract descriptor chaining code into a helper



The code to append a descriptor to the end of a chain is repeated
throughout the psi generator code. Extract it into its own helper
function to avoid cluttering.

Signed-off-by: default avatarDaniel W. S. Almeida <dwlsalmeida@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 7a7899f6
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+15 −34
Original line number Diff line number Diff line
@@ -314,6 +314,16 @@ static u32 table_section_crc32_write_into(struct crc32_write_args args)
	return nbytes;
}

static void vidtv_psi_desc_chain(struct vidtv_psi_desc *head, struct vidtv_psi_desc *desc)
{
	if (head) {
		while (head->next)
			head = head->next;

		head->next = desc;
	}
}

struct vidtv_psi_desc_service *vidtv_psi_service_desc_init(struct vidtv_psi_desc *head,
							   enum service_type service_type,
							   char *service_name,
@@ -345,12 +355,7 @@ struct vidtv_psi_desc_service *vidtv_psi_service_desc_init(struct vidtv_psi_desc
	if (provider_name && provider_name_len)
		desc->provider_name = kstrdup(provider_name, GFP_KERNEL);

	if (head) {
		while (head->next)
			head = head->next;

		head->next = (struct vidtv_psi_desc *)desc;
	}
	vidtv_psi_desc_chain(head, (struct vidtv_psi_desc *)desc);
	return desc;
}

@@ -376,13 +381,7 @@ struct vidtv_psi_desc_registration
		       additional_ident_info,
		       additional_info_len);

	if (head) {
		while (head->next)
			head = head->next;

		head->next = (struct vidtv_psi_desc *)desc;
	}

	vidtv_psi_desc_chain(head, (struct vidtv_psi_desc *)desc);
	return desc;
}

@@ -401,13 +400,7 @@ struct vidtv_psi_desc_network_name
	if (network_name && network_name_len)
		desc->network_name = kstrdup(network_name, GFP_KERNEL);

	if (head) {
		while (head->next)
			head = head->next;

		head->next = (struct vidtv_psi_desc *)desc;
	}

	vidtv_psi_desc_chain(head, (struct vidtv_psi_desc *)desc);
	return desc;
}

@@ -445,13 +438,7 @@ struct vidtv_psi_desc_service_list
	desc->length = length;
	desc->service_list = head_e;

	if (head) {
		while (head->next)
			head = head->next;

		head->next = (struct vidtv_psi_desc *)desc;
	}

	vidtv_psi_desc_chain(head, (struct vidtv_psi_desc *)desc);
	return desc;
}

@@ -490,13 +477,7 @@ struct vidtv_psi_desc_short_event
	if (text && text_len)
		desc->text = kstrdup(text, GFP_KERNEL);

	if (head) {
		while (head->next)
			head = head->next;

		head->next = (struct vidtv_psi_desc *)desc;
	}

	vidtv_psi_desc_chain(head, (struct vidtv_psi_desc *)desc);
	return desc;
}