This is a note to let you know that I've just added the patch titled
i2c: amd-mp2-pci: Fix Oops in amd_mp2_pci_init() error handling
to the 5.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
i2c-amd-mp2-pci-fix-oops-in-amd_mp2_pci_init-error-h.patch
and it can be found in the queue-5.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 7fec6b3778bb0476d6a7f1c164c2411359ed86e4
Author: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Date: Tue Sep 10 16:42:42 2019 +0300
i2c: amd-mp2-pci: Fix Oops in amd_mp2_pci_init() error handling
commit ac2b0813fceaf7cb3d8d46c7b33c90bae9fa49db upstream.
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@xxxxxxxxxx>
Signed-off-by: Wolfram Sang <wsa@xxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
diff --git a/drivers/i2c/busses/i2c-amd-mp2-pci.c b/drivers/i2c/busses/i2c-amd-mp2-pci.c
index 5e4800d72e00b..cd3fd5ee5f65d 100644
--- a/drivers/i2c/busses/i2c-amd-mp2-pci.c
+++ b/drivers/i2c/busses/i2c-amd-mp2-pci.c
@@ -349,12 +349,12 @@ static int amd_mp2_pci_probe(struct pci_dev *pci_dev,
if (!privdata)
return -ENOMEM;
+ 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);
