From: Dan Carpenter <dan.carpenter@oracle.com>
To: kernel-janitors@vger.kernel.org
Subject: [PATCH] i2c: i2c-amd-mp2-pci: Fix Oops in amd_mp2_pci_init() error handling
Date: Thu, 05 Sep 2019 13:52:19 +0000 [thread overview]
Message-ID: <20190905135219.GA29629@mwanda> (raw)
The problem is that we dereference "privdata->pci_dev" when we print
the error messages in amd_mp2_pci_init():
dev_err(ndev_dev(privdata), "Failed to enable MP2 PCI device\n");
^^^^^^^^^^^^^^^^^
Fixes: 529766e0a011 ("i2c: Add drivers for the AMD PCIe MP2 I2C controller")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
---
drivers/i2c/busses/i2c-amd-mp2-pci.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/i2c/busses/i2c-amd-mp2-pci.c b/drivers/i2c/busses/i2c-amd-mp2-pci.c
index 5e4800d72e00..6bbc89d0bb27 100644
--- a/drivers/i2c/busses/i2c-amd-mp2-pci.c
+++ b/drivers/i2c/busses/i2c-amd-mp2-pci.c
@@ -349,13 +349,13 @@ static int amd_mp2_pci_probe(struct pci_dev *pci_dev,
if (!privdata)
return -ENOMEM;
+ mutex_init(&privdata->c2p_lock);
+ privdata->pci_dev = pci_dev;
+
rc = amd_mp2_pci_init(privdata, pci_dev);
if (rc)
return rc;
- mutex_init(&privdata->c2p_lock);
- privdata->pci_dev = pci_dev;
-
pm_runtime_set_autosuspend_delay(&pci_dev->dev, 1000);
pm_runtime_use_autosuspend(&pci_dev->dev);
pm_runtime_put_autosuspend(&pci_dev->dev);
--
2.20.1
reply other threads:[~2019-09-05 13:52 UTC|newest]
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