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-rw-r--r--drivers/i2c/i2c-core-acpi.c11
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/i2c/i2c-core-acpi.c b/drivers/i2c/i2c-core-acpi.c
index 7c3b4740b94b..b8f303dea305 100644
--- a/drivers/i2c/i2c-core-acpi.c
+++ b/drivers/i2c/i2c-core-acpi.c
@@ -482,11 +482,16 @@ static int acpi_gsb_i2c_write_bytes(struct i2c_client *client,
msgs[0].buf = buffer;
ret = i2c_transfer(client->adapter, msgs, ARRAY_SIZE(msgs));
- if (ret < 0)
- dev_err(&client->adapter->dev, "i2c write failed\n");
kfree(buffer);
- return ret;
+
+ if (ret < 0) {
+ dev_err(&client->adapter->dev, "i2c write failed: %d\n", ret);
+ return ret;
+ }
+
+ /* 1 transfer must have completed successfully */
+ return (ret == 1) ? 0 : -EIO;
}
static acpi_status
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