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@@ -1529,7 +1529,6 @@ static int cam_context_user_dump(struct cam_context *ctx,
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struct cam_context_dump_header *hdr;
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uint8_t *dst;
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uint64_t *addr, *start;
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- uint32_t min_len;
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size_t buf_len, remain_len;
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uintptr_t cpu_addr;
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uint32_t local_len;
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@@ -1556,38 +1555,16 @@ static int cam_context_user_dump(struct cam_context *ctx,
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return -ENOSPC;
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}
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- spin_lock_bh(&ctx->lock);
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- if (!list_empty(&ctx->active_req_list)) {
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- req = list_first_entry(&ctx->active_req_list,
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- struct cam_ctx_request, list);
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- } else if (!list_empty(&ctx->wait_req_list)) {
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- req = list_first_entry(&ctx->wait_req_list,
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- struct cam_ctx_request, list);
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- } else if (!list_empty(&ctx->pending_req_list)) {
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- req = list_first_entry(&ctx->pending_req_list,
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- struct cam_ctx_request, list);
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- } else {
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- CAM_ERR(CAM_CTXT, "[%s][%d] no request to dump",
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- ctx->dev_name, ctx->ctx_id);
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- }
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- spin_unlock_bh(&ctx->lock);
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-
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- /* Check for min len in case of available request to dump */
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- if (req != NULL) {
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- remain_len = buf_len - dump_args->offset;
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- min_len = sizeof(struct cam_context_dump_header) +
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- (CAM_CTXT_DUMP_NUM_WORDS + req->num_in_map_entries +
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- (req->num_out_map_entries * 2)) * sizeof(uint64_t);
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-
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- if (remain_len < min_len) {
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- CAM_WARN(CAM_CTXT, "dump buffer exhaust remain %zu min %u",
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- remain_len, min_len);
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- cam_mem_put_cpu_buf(dump_args->buf_handle);
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- return -ENOSPC;
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- }
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+ /* Dump context info */
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+ remain_len = buf_len - dump_args->offset;
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+ if (remain_len < sizeof(struct cam_context_dump_header)) {
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+ CAM_WARN(CAM_CTXT,
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+ "No sufficient space in dump buffer for headers, remain buf size: %d, header size: %d",
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+ remain_len, sizeof(struct cam_context_dump_header));
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+ cam_mem_put_cpu_buf(dump_args->buf_handle);
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+ return -ENOSPC;
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}
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- /* Dump context info */
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dst = (uint8_t *)cpu_addr + dump_args->offset;
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hdr = (struct cam_context_dump_header *)dst;
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local_len =
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@@ -1611,6 +1588,15 @@ static int cam_context_user_dump(struct cam_context *ctx,
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if (!list_empty(&ctx->wait_req_list)) {
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list_for_each_entry_safe(req, req_temp, &ctx->wait_req_list, list) {
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for (i = 0; i < req->num_out_map_entries; i++) {
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+ remain_len = buf_len - dump_args->offset;
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+ if (remain_len < sizeof(struct cam_context_dump_header)) {
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+ CAM_WARN(CAM_CTXT,
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+ "No sufficient space in dump buffer for headers, remain buf size: %d, header size: %d",
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+ remain_len, sizeof(struct cam_context_dump_header));
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+ cam_mem_put_cpu_buf(dump_args->buf_handle);
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+ return -ENOSPC;
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+ }
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+
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dst = (uint8_t *)cpu_addr + dump_args->offset;
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hdr = (struct cam_context_dump_header *)dst;
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local_len = dump_args->offset +
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@@ -1643,6 +1629,15 @@ static int cam_context_user_dump(struct cam_context *ctx,
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if (!list_empty(&ctx->pending_req_list)) {
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list_for_each_entry_safe(req, req_temp, &ctx->pending_req_list, list) {
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for (i = 0; i < req->num_out_map_entries; i++) {
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+ remain_len = buf_len - dump_args->offset;
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+ if (remain_len < sizeof(struct cam_context_dump_header)) {
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+ CAM_WARN(CAM_CTXT,
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+ "No sufficient space in dump buffer for headers, remain buf size: %d, header size: %d",
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+ remain_len, sizeof(struct cam_context_dump_header));
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+ cam_mem_put_cpu_buf(dump_args->buf_handle);
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+ return -ENOSPC;
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+ }
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+
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dst = (uint8_t *)cpu_addr + dump_args->offset;
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hdr = (struct cam_context_dump_header *)dst;
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local_len = dump_args->offset +
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@@ -1675,6 +1670,15 @@ static int cam_context_user_dump(struct cam_context *ctx,
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if (!list_empty(&ctx->active_req_list)) {
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list_for_each_entry_safe(req, req_temp, &ctx->active_req_list, list) {
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for (i = 0; i < req->num_out_map_entries; i++) {
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+ remain_len = buf_len - dump_args->offset;
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+ if (remain_len < sizeof(struct cam_context_dump_header)) {
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+ CAM_WARN(CAM_CTXT,
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+ "No sufficient space in dump buffer for headers, remain buf size: %d, header size: %d",
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+ remain_len, sizeof(struct cam_context_dump_header));
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+ cam_mem_put_cpu_buf(dump_args->buf_handle);
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+ return -ENOSPC;
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+ }
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+
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dst = (uint8_t *)cpu_addr + dump_args->offset;
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hdr = (struct cam_context_dump_header *)dst;
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local_len = dump_args->offset +
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