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Groups > linux.kernel > #1166358

[PATCH] Input: pixcir_i2c_ts - fix receive error

From Frodo Lai <frodo.lai@gmail.com>
Newsgroups linux.kernel
Subject [PATCH] Input: pixcir_i2c_ts - fix receive error
Date 2015-06-16 22:10 +0200
Message-ID <pC5lg-4rn-19@gated-at.bofh.it> (permalink)
Organization linux.* mail to news gateway

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The i2c_master_recv() uses readsize to receive data from i2c but
compares to size of rdbuf which is always 27. This would casue
problem when the max_fingers is not 5. Change the comparison value
to readsize instead.

Signed-off-by: Frodo Lai <frodo_lai@bcmcom.com>
---
 drivers/input/touchscreen/pixcir_i2c_ts.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/input/touchscreen/pixcir_i2c_ts.c b/drivers/input/touchscreen/pixcir_i2c_ts.c
index 2c21071..8f3e243 100644
--- a/drivers/input/touchscreen/pixcir_i2c_ts.c
+++ b/drivers/input/touchscreen/pixcir_i2c_ts.c
@@ -78,7 +78,7 @@ static void pixcir_ts_parse(struct pixcir_i2c_ts_data *tsdata,
 	}
 
 	ret = i2c_master_recv(tsdata->client, rdbuf, readsize);
-	if (ret != sizeof(rdbuf)) {
+	if (ret != readsize) {
 		dev_err(&tsdata->client->dev,
 			"%s: i2c_master_recv failed(), ret=%d\n",
 			__func__, ret);
-- 
1.7.9.5

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[PATCH] Input: pixcir_i2c_ts - fix receive error Frodo Lai <frodo.lai@gmail.com> - 2015-06-16 22:10 +0200
  Re: [PATCH] Input: pixcir_i2c_ts - fix receive error Dmitry Torokhov <dmitry.torokhov@gmail.com> - 2015-06-17 00:10 +0200

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