debug lk

hc

2024-02-20 e636c8d336489bf3eed5878299e6cc045bbad077

 kernel/drivers/input/touchscreen/cyttsp5/cyttsp5_core.c
..
..
@@ -1710,11 +1710,6 @@
1710
1710
 	if (length < read_length)
1711
1711
 		length = read_length;
1712
1712
 
1713
-	if (length + 10 > CY_MAX_INPUT) {
1714
-		dev_err(cd->dev, "%s:%d: size=%d is larger than the max %d!!!\n",
1715
-			__func__, __LINE__, length + 10, CY_MAX_INPUT);
1716
-		return -EINVAL;
1717
-	}
1718
1713
 	memcpy(read_buf, &cd->response_buf[10], length);
1719
1714
 	*crc = get_unaligned_le16(&cd->response_buf[read_length + 10]);
1720
1715
 
..
..
@@ -2486,11 +2481,6 @@
2486
2481
 	if (!data_len)
2487
2482
 		return -EPROTO;
2488
2483
 
2489
-	if (data_len + 8 > CY_MAX_INPUT) {
2490
-		dev_err(cd->dev, "%s:%d: size=%d is larger than the max %d!!!\n",
2491
-			__func__, __LINE__, data_len, CY_MAX_INPUT);
2492
-		return -EINVAL;
2493
-	}
2494
2484
 	memcpy(return_data, &cd->response_buf[8], data_len);
2495
2485
 
2496
2486
 	return 0;
..
..
@@ -3884,12 +3874,6 @@
3884
3874
 		tthe_print(cd, cd->input_buf, size, "OpModeData=");
3885
3875
 #endif
3886
3876
 
3887
-	if (si->desc.tch_header_size > CY_MAX_INPUT) {
3888
-		dev_err(cd->dev, "%s:%d: size=%d is larger than the max %d!!!\n",
3889
-			__func__, __LINE__, si->desc.tch_header_size, CY_MAX_INPUT);
3890
-		return -EINVAL;
3891
-	}
3892
-
3893
3877
 	memcpy(si->xy_mode, cd->input_buf, si->desc.tch_header_size);
3894
3878
 	cyttsp5_pr_buf(cd->dev, (u8 *)si->xy_mode, si->desc.tch_header_size,
3895
3879
 			"xy_mode");
..
..
@@ -3900,13 +3884,6 @@
3900
3884
 		num_cur_tch = max_tch;
3901
3885
 
3902
3886
 	length = num_cur_tch * si->desc.tch_record_size;
3903
-
3904
-	if ((length + si->desc.tch_header_size) > CY_MAX_INPUT) {
3905
-		dev_err(cd->dev, "%s:%d: size=%d is larger than the max %d!!!\n",
3906
-			__func__, __LINE__, length + si->desc.tch_header_size,
3907
-			CY_MAX_INPUT);
3908
-		return -EINVAL;
3909
-	}
3910
3887
 
3911
3888
 	memcpy(si->xy_data, &cd->input_buf[si->desc.tch_header_size], length);
3912
3889
 	cyttsp5_pr_buf(cd->dev, (u8 *)si->xy_data, length, "xy_data");
..
..
@@ -3954,12 +3931,6 @@
3954
3931
 	parade_debug(cd->dev, DEBUG_LEVEL_2, "%s: Received cmd interrupt\n",
3955
3932
 		__func__);
3956
3933
 
3957
-	if (size > CY_MAX_INPUT) {
3958
-		dev_err(cd->dev, "%s:%d: size=%d is larger than the max %d!!!\n",
3959
-			__func__, __LINE__, size, CY_MAX_INPUT);
3960
-		return -EINVAL;
3961
-	}
3962
-
3963
3934
 	memcpy(cd->response_buf, cd->input_buf, size);
3964
3935
 
3965
3936
 	mutex_lock(&cd->system_lock);
..
..
@@ -4002,17 +3973,12 @@
4002
3973
 		wake_up(&cd->wait_q);
4003
3974
 		mutex_unlock(&cd->system_lock);
4004
3975
 		return 0;
4005
-	} else if (size == 2 || size >= CY_PIP_1P7_EMPTY_BUF || size > CY_MAX_INPUT) {
3976
+	} else if (size == 2 || size >= CY_PIP_1P7_EMPTY_BUF)
4006
3977
 		/*
4007
3978
 		 * Before PIP 1.7, empty buffer is 0x0002;
4008
3979
 		 * From PIP 1.7, empty buffer is 0xFFXX
4009
3980
 		 */
4010
-		if (size > CY_MAX_INPUT && size < CY_PIP_1P7_EMPTY_BUF)
4011
-			dev_err(cd->dev, "%s:%d: size=%d is larger than the max %d!!!\n",
4012
-				__func__, __LINE__, size, CY_MAX_INPUT);
4013
-
4014
3981
 		return 0;
4015
-	}
4016
3982
 
4017
3983
 	report_id = cd->input_buf[2];
4018
3984
 	parade_debug(cd->dev, DEBUG_LEVEL_2, "%s: report_id:%X\n",