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authorSachin Kamat <sachin.kamat@linaro.org>2013-11-13 03:10:27 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2013-11-13 07:09:27 +0400
commitf16189aca0e2c6395e7fd6593c3a3063764c628d (patch)
tree8b972de16aba5afa57006f4fbab2eeec085539a6 /drivers/rtc/rtc-max6900.c
parentc91fd91d686654f8afbbbca18f5ff0a6ebc9c7a2 (diff)
downloadlinux-f16189aca0e2c6395e7fd6593c3a3063764c628d.tar.xz
drivers/rtc/rtc-max6900.c: remove redundant checks
i2c_smbus_write_byte_data() returns negative errno on failure or 0 on success. Return the value obtained from it directly. Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org> Cc: Jingoo Han <jg1.han@samsung.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/rtc/rtc-max6900.c')
-rw-r--r--drivers/rtc/rtc-max6900.c9
1 files changed, 1 insertions, 8 deletions
diff --git a/drivers/rtc/rtc-max6900.c b/drivers/rtc/rtc-max6900.c
index 55969b1b771a..4804985b876e 100644
--- a/drivers/rtc/rtc-max6900.c
+++ b/drivers/rtc/rtc-max6900.c
@@ -164,14 +164,7 @@ static int max6900_i2c_read_time(struct i2c_client *client, struct rtc_time *tm)
static int max6900_i2c_clear_write_protect(struct i2c_client *client)
{
- int rc;
- rc = i2c_smbus_write_byte_data(client, MAX6900_REG_CONTROL_WRITE, 0);
- if (rc < 0) {
- dev_err(&client->dev, "%s: control register write failed\n",
- __func__);
- return -EIO;
- }
- return 0;
+ return i2c_smbus_write_byte_data(client, MAX6900_REG_CONTROL_WRITE, 0);
}
static int