723 static int try_get_fmt_tmp_buf(char **tmp_buf)  in try_get_fmt_tmp_buf()  argument
736 	*tmp_buf = bufs->tmp_bufs[nest_level - 1];  in try_get_fmt_tmp_buf()
766 	char *unsafe_ptr = NULL, *tmp_buf = NULL, *tmp_buf_end, *fmt_end;  in bpf_bprintf_prepare()  local
778 		if (num_args && try_get_fmt_tmp_buf(&tmp_buf))  in bpf_bprintf_prepare()
781 		tmp_buf_end = tmp_buf + MAX_BPRINTF_BUF_LEN;  in bpf_bprintf_prepare()
782 		*bin_args = (u32 *)tmp_buf;  in bpf_bprintf_prepare()
834 				if (tmp_buf)  in bpf_bprintf_prepare()
841 				if (tmp_buf)  {  in bpf_bprintf_prepare()
842 					err = snprintf(tmp_buf,  in bpf_bprintf_prepare()
843 						       (tmp_buf_end - tmp_buf),  in bpf_bprintf_prepare()
846 					tmp_buf += (err + 1);  in bpf_bprintf_prepare()
862 			if (!tmp_buf)  in bpf_bprintf_prepare()
866 			if (tmp_buf_end - tmp_buf < sizeof_cur_ip) {  in bpf_bprintf_prepare()
883 			err = snprintf(tmp_buf, tmp_buf_end - tmp_buf,  in bpf_bprintf_prepare()
886 			tmp_buf += err + 1;  in bpf_bprintf_prepare()
900 			if (!tmp_buf)  in bpf_bprintf_prepare()
903 			if (tmp_buf_end == tmp_buf) {  in bpf_bprintf_prepare()
909 			err = bpf_trace_copy_string(tmp_buf, unsafe_ptr,  in bpf_bprintf_prepare()
911 						    tmp_buf_end - tmp_buf);  in bpf_bprintf_prepare()
913 				tmp_buf[0] = '\0';  in bpf_bprintf_prepare()
917 			tmp_buf += err;  in bpf_bprintf_prepare()
922 			if (!tmp_buf)  in bpf_bprintf_prepare()
925 			if (tmp_buf_end == tmp_buf) {  in bpf_bprintf_prepare()
930 			*tmp_buf = raw_args[num_spec];  in bpf_bprintf_prepare()
931 			tmp_buf++;  in bpf_bprintf_prepare()
954 		if (tmp_buf)  in bpf_bprintf_prepare()
957 		if (tmp_buf) {  in bpf_bprintf_prepare()
958 			tmp_buf = PTR_ALIGN(tmp_buf, sizeof(u32));  in bpf_bprintf_prepare()
959 			if (tmp_buf_end - tmp_buf < sizeof_cur_arg) {  in bpf_bprintf_prepare()
965 				*(u32 *)tmp_buf = *(u32 *)&cur_arg;  in bpf_bprintf_prepare()
966 				*(u32 *)(tmp_buf + 4) = *((u32 *)&cur_arg + 1);  in bpf_bprintf_prepare()
968 				*(u32 *)tmp_buf = (u32)(long)cur_arg;  in bpf_bprintf_prepare()
970 			tmp_buf += sizeof_cur_arg;  in bpf_bprintf_prepare()