From mboxrd@z Thu Jan 1 00:00:00 1970 From: SF Markus Elfring Date: Wed, 19 Nov 2014 13:50:44 +0000 Subject: [PATCH 1/1] char: tpm: Deletion of unnecessary checks before the function call "tpm_dev_vendor_relea Message-Id: <546CA034.60705@users.sourceforge.net> List-Id: References: <5307CAA2.8060406@users.sourceforge.net> <530A086E.8010901@users.sourceforge.net> <530A72AA.3000601@users.sourceforge.net> <530B5FB6.6010207@users.sourceforge.net> <530C5E18.1020800@users.sourceforge.net> <530CD2C4.4050903@users.sourceforge.net> <530CF8FF.8080600@users.sourceforge.net> <530DD06F.4090703@users.sourceforge.net> <5317A59D.4@users.sourceforge.net> In-Reply-To: <5317A59D.4@users.sourceforge.net> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Ashley Lai , Marcel Selhorst , Peter Huewe , tpmdd-devel@lists.sourceforge.net Cc: LKML , kernel-janitors@vger.kernel.org, Julia Lawall From: Markus Elfring Date: Wed, 19 Nov 2014 14:44:15 +0100 The tpm_dev_vendor_release() function tests whether its argument is NULL and then returns immediately. Thus the test around the call is not needed. This issue was detected by using the Coccinelle software. Signed-off-by: Markus Elfring --- drivers/char/tpm/tpm_i2c_atmel.c | 3 +-- drivers/char/tpm/tpm_i2c_nuvoton.c | 3 +-- 2 files changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/char/tpm/tpm_i2c_atmel.c b/drivers/char/tpm/tpm_i2c_atmel.c index 7727292..19c3a7b 100644 --- a/drivers/char/tpm/tpm_i2c_atmel.c +++ b/drivers/char/tpm/tpm_i2c_atmel.c @@ -202,8 +202,7 @@ static int i2c_atmel_remove(struct i2c_client *client) struct device *dev = &(client->dev); struct tpm_chip *chip = dev_get_drvdata(dev); - if (chip) - tpm_dev_vendor_release(chip); + tpm_dev_vendor_release(chip); tpm_remove_hardware(dev); kfree(chip); return 0; diff --git a/drivers/char/tpm/tpm_i2c_nuvoton.c b/drivers/char/tpm/tpm_i2c_nuvoton.c index 7b158ef..8d09628 100644 --- a/drivers/char/tpm/tpm_i2c_nuvoton.c +++ b/drivers/char/tpm/tpm_i2c_nuvoton.c @@ -625,8 +625,7 @@ static int i2c_nuvoton_remove(struct i2c_client *client) struct device *dev = &(client->dev); struct tpm_chip *chip = dev_get_drvdata(dev); - if (chip) - tpm_dev_vendor_release(chip); + tpm_dev_vendor_release(chip); tpm_remove_hardware(dev); kfree(chip); return 0; -- 2.1.3