From 2b88cd96eb85d2f07873e6050e531df45d8a0cc8 Mon Sep 17 00:00:00 2001
From: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Date: Sun, 12 Jun 2016 15:05:29 +0100
Subject: [PATCH] tpm: use devm_add_action_or_reset
If devm_add_action() fails we are explicitly calling put_device() to
free the resources allocated. Lets use the helper
devm_add_action_or_reset() and return directly in case of error, as we
know that the cleanup function has been already called by the helper if
there was any error.
Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
---
drivers/char/tpm/tpm-chip.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/char/tpm/tpm-chip.c b/drivers/char/tpm/tpm-chip.c
index 1965dc7806889..5a2f0439ef47e 100644
--- a/drivers/char/tpm/tpm-chip.c
+++ b/drivers/char/tpm/tpm-chip.c
@@ -213,11 +213,11 @@ struct tpm_chip *tpmm_chip_alloc(struct device *pdev,
if (IS_ERR(chip))
return chip;
- rc = devm_add_action(pdev, (void (*)(void *)) put_device, &chip->dev);
- if (rc) {
- put_device(&chip->dev);
+ rc = devm_add_action_or_reset(pdev,
+ (void (*)(void *)) put_device,
+ &chip->dev);
+ if (rc)
return ERR_PTR(rc);
- }
dev_set_drvdata(pdev, chip);
--
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