diff mbox

Input: cy8ctmg110_ts - fix checking return value of i2c_master_send

Message ID 1310451261.13592.4.camel@phoenix (mailing list archive)
State New, archived
Headers show

Commit Message

axel lin July 12, 2011, 6:14 a.m. UTC
i2c_master_send() returns negative errno, or else the number of bytes written.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
 drivers/input/touchscreen/cy8ctmg110_ts.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
diff mbox

Patch

diff --git a/drivers/input/touchscreen/cy8ctmg110_ts.c b/drivers/input/touchscreen/cy8ctmg110_ts.c
index 4481cc5..c458da0 100644
--- a/drivers/input/touchscreen/cy8ctmg110_ts.c
+++ b/drivers/input/touchscreen/cy8ctmg110_ts.c
@@ -84,9 +84,9 @@  static int cy8ctmg110_write_regs(struct cy8ctmg110 *tsc, unsigned char reg,
 	memcpy(i2c_data + 1, value, len);
 
 	ret = i2c_master_send(client, i2c_data, len + 1);
-	if (ret != 1) {
+	if (ret != (len + 1)) {
 		dev_err(&client->dev, "i2c write data cmd failed\n");
-		return ret ? ret : -EIO;
+		return -EIO;
 	}
 
 	return 0;