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Commit c3a74e4b authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "msm: ipa: fix IPA driver processing context delete logic"

parents 816cd412 f637b371

drivers/platform/msm/ipa/ipa_v2/ipa_hdr.c

+15 −7
Original line number Diff line number Diff line
@@ -581,6 +581,7 @@ static int __ipa_add_hdr_proc_ctx(struct ipa_hdr_proc_ctx_add *proc_ctx, 
	return 0;



bad_len:

	if (add_ref_hdr)

		hdr_entry->ref_cnt--;

	entry->cookie = 0;

	kmem_cache_free(ipa_ctx->hdr_proc_ctx_cache, entry);
@@ -761,7 +762,7 @@ static int __ipa_del_hdr_proc_ctx(u32 proc_ctx_hdl, bool release_hdr) 
	}



	if (release_hdr)

		__ipa_release_hdr(entry->hdr->id);

		__ipa_del_hdr(entry->hdr->id);



	/* move the offset entry to appropriate free list */

	list_move(&entry->offset_entry->link,
@@ -1089,12 +1090,19 @@ int ipa2_reset_hdr(void) 
			&ipa_ctx->hdr_tbl.head_hdr_entry_list, link) {



		/* do not remove the default header */

		if (!strcmp(entry->name, IPA_LAN_RX_HDR_NAME))

		if (!strcmp(entry->name, IPA_LAN_RX_HDR_NAME)) {

			if (entry->is_hdr_proc_ctx) {

				mutex_unlock(&ipa_ctx->lock);

				WARN_ON(1);

				IPAERR("default header is proc ctx\n");

				return -EFAULT;

			}

			continue;

		}



		if (ipa_id_find(entry->id) == NULL) {

			WARN_ON(1);

			mutex_unlock(&ipa_ctx->lock);

			WARN_ON(1);

			return -EFAULT;

		}

		if (entry->is_hdr_proc_ctx) {
@@ -1147,8 +1155,8 @@ int ipa2_reset_hdr(void) 
		link) {



		if (ipa_id_find(ctx_entry->id) == NULL) {

			WARN_ON(1);

			mutex_unlock(&ipa_ctx->lock);

			WARN_ON(1);

			return -EFAULT;

		}

		list_del(&ctx_entry->link);
@@ -1311,8 +1319,8 @@ int ipa2_put_hdr(u32 hdr_hdl) 
		goto bail;

	}



	if (entry == NULL || entry->cookie != IPA_COOKIE) {

		IPAERR("bad params\n");

	if (entry->cookie != IPA_COOKIE) {

		IPAERR("invalid header entry\n");

		result = -EINVAL;

		goto bail;

	}

drivers/platform/msm/ipa/ipa_v2/ipa_i.h

+1 −1
Original line number Diff line number Diff line
@@ -242,7 +242,7 @@ struct ipa_rt_tbl { 
 * @is_partial: flag indicating if header table entry is partial

 * @is_hdr_proc_ctx: false - hdr entry resides in hdr table,

 * true - hdr entry resides in DDR and pointed to by proc ctx

 * @phys_base: physical address of entry in SRAM when is_hdr_proc_ctx is true,

 * @phys_base: physical address of entry in DDR when is_hdr_proc_ctx is true,

 * else 0

 * @proc_ctx: processing context header

 * @offset_entry: entry's offset

drivers/platform/msm/ipa/ipa_v2/ipa_rt.c

+4 −0
Original line number Diff line number Diff line
@@ -1008,6 +1008,10 @@ static int __ipa_add_rt_rule(enum ipa_ip_type ip, const char *name, 
	return 0;



ipa_insert_failed:

	if (entry->hdr)

		entry->hdr->ref_cnt--;

	else if (entry->proc_ctx)

		entry->proc_ctx->ref_cnt--;

	list_del(&entry->link);

	kmem_cache_free(ipa_ctx->rt_rule_cache, entry);

error:

drivers/platform/msm/ipa/ipa_v3/ipa_hdr.c

+15 −7
Original line number Diff line number Diff line
@@ -418,6 +418,7 @@ static int __ipa_add_hdr_proc_ctx(struct ipa_hdr_proc_ctx_add *proc_ctx, 
	return 0;



bad_len:

	if (add_ref_hdr)

		hdr_entry->ref_cnt--;

	entry->cookie = 0;

	kmem_cache_free(ipa3_ctx->hdr_proc_ctx_cache, entry);
@@ -589,7 +590,7 @@ static int __ipa3_del_hdr_proc_ctx(u32 proc_ctx_hdl, bool release_hdr) 
	}



	if (release_hdr)

		__ipa3_release_hdr(entry->hdr->id);

		__ipa3_del_hdr(entry->hdr->id);



	/* move the offset entry to appropriate free list */

	list_move(&entry->offset_entry->link,
@@ -893,12 +894,19 @@ int ipa3_reset_hdr(void) 
			&ipa3_ctx->hdr_tbl.head_hdr_entry_list, link) {



		/* do not remove the default header */

		if (!strcmp(entry->name, IPA_LAN_RX_HDR_NAME))

		if (!strcmp(entry->name, IPA_LAN_RX_HDR_NAME)) {

			if (entry->is_hdr_proc_ctx) {

				IPAERR("default header is proc ctx\n");

				mutex_unlock(&ipa3_ctx->lock);

				WARN_ON(1);

				return -EFAULT;

			}

			continue;

		}



		if (ipa3_id_find(entry->id) == NULL) {

			WARN_ON(1);

			mutex_unlock(&ipa3_ctx->lock);

			WARN_ON(1);

			return -EFAULT;

		}

		if (entry->is_hdr_proc_ctx) {
@@ -951,8 +959,8 @@ int ipa3_reset_hdr(void) 
		link) {



		if (ipa3_id_find(ctx_entry->id) == NULL) {

			WARN_ON(1);

			mutex_unlock(&ipa3_ctx->lock);

			WARN_ON(1);

			return -EFAULT;

		}

		list_del(&ctx_entry->link);
@@ -1115,8 +1123,8 @@ int ipa3_put_hdr(u32 hdr_hdl) 
		goto bail;

	}



	if (entry == NULL || entry->cookie != IPA_COOKIE) {

		IPAERR("bad params\n");

	if (entry->cookie != IPA_COOKIE) {

		IPAERR("invalid header entry\n");

		result = -EINVAL;

		goto bail;

	}

drivers/platform/msm/ipa/ipa_v3/ipa_i.h

+1 −1
Original line number Diff line number Diff line
@@ -271,7 +271,7 @@ struct ipa3_rt_tbl { 
 * @is_partial: flag indicating if header table entry is partial

 * @is_hdr_proc_ctx: false - hdr entry resides in hdr table,

 * true - hdr entry resides in DDR and pointed to by proc ctx

 * @phys_base: physical address of entry in SRAM when is_hdr_proc_ctx is true,

 * @phys_base: physical address of entry in DDR when is_hdr_proc_ctx is true,

 * else 0

 * @proc_ctx: processing context header

 * @offset_entry: entry's offset