write in 30M

hc

2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc

 kernel/drivers/usb/misc/ftdi-elan.c
..
..
@@ -334,7 +334,8 @@
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 		*respond->result = -ESHUTDOWN;
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 		*respond->value = 0;
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 		complete(&respond->wait_completion);
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-	} mutex_unlock(&ftdi->u132_lock);
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+	}
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+	mutex_unlock(&ftdi->u132_lock);
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 }
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 static void ftdi_elan_abandon_targets(struct usb_ftdi *ftdi)
..
..
@@ -764,7 +765,8 @@
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 		struct u132_command *command = &ftdi->command[COMMAND_MASK &
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 							      i++];
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 		total_size += 5 + command->follows;
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-	} return total_size;
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+	}
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+	return total_size;
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 }
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 static int ftdi_elan_command_engine(struct usb_ftdi *ftdi)
..
..
@@ -916,7 +918,6 @@
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 	int bytes_read = 0;
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 	int retry_on_empty = 1;
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 	int retry_on_timeout = 3;
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-	int empty_packets = 0;
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 read:{
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 		int packet_bytes = 0;
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 		int retval = usb_bulk_msg(ftdi->udev,
..
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@@ -961,31 +962,6 @@
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 			dev_err(&ftdi->udev->dev, "error = %d with packet_bytes = %d with total %d bytes%s\n",
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 				retval, packet_bytes, bytes_read, diag);
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 			return retval;
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-		} else if (packet_bytes == 2) {
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-			unsigned char s0 = ftdi->bulk_in_buffer[0];
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-			unsigned char s1 = ftdi->bulk_in_buffer[1];
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-			empty_packets += 1;
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-			if (s0 == 0x31 && s1 == 0x60) {
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-				if (retry_on_empty-- > 0) {
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-					goto more;
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-				} else
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-					return 0;
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-			} else if (s0 == 0x31 && s1 == 0x00) {
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-				if (retry_on_empty-- > 0) {
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-					goto more;
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-				} else
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-					return 0;
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-			} else {
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-				if (retry_on_empty-- > 0) {
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-					goto more;
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-				} else
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-					return 0;
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-			}
984
-		} else if (packet_bytes == 1) {
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-			if (retry_on_empty-- > 0) {
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-				goto more;
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-			} else
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-				return 0;
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965
 		} else {
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 			if (retry_on_empty-- > 0) {
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 				goto more;
..
..
@@ -2050,13 +2026,6 @@
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 						goto read;
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2027
 					} else
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 						goto reset;
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-				} else if (s1 == 0x31 && s2 == 0x60) {
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-					if (read_stop-- > 0) {
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-						goto read;
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-					} else {
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-						dev_err(&ftdi->udev->dev, "retry limit reached\n");
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-						continue;
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-					}
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 				} else {
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 					if (read_stop-- > 0) {
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 						goto read;