This is a note to let you know that I've just added the patch titled
nvme-pci: always return an ERR_PTR from nvme_pci_alloc_dev
to the 5.10-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:
nvme-pci-always-return-an-err_ptr-from-nvme_pci_allo.patch
and it can be found in the queue-5.10 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit b10951baf4ad1ab8993cd2799044c42e4ee0d2e6
Author: Irvin Cote <irvin.cote@xxxxxxxxxxxx>
Date: Thu Feb 9 17:43:57 2023 -0300
nvme-pci: always return an ERR_PTR from nvme_pci_alloc_dev
[ Upstream commit dc785d69d753a3894c93afc23b91404652382ead ]
Don't mix NULL and ERR_PTR returns.
Fixes: 2e87570be9d2 ("nvme-pci: factor out a nvme_pci_alloc_dev helper")
Signed-off-by: Irvin Cote <irvin.cote@xxxxxxxxxxxx>
Reviewed-by: Keith Busch <kbusch@xxxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/nvme/host/pci.c b/drivers/nvme/host/pci.c
index 7bb42d0e087af..9c67ebd4eac38 100644
--- a/drivers/nvme/host/pci.c
+++ b/drivers/nvme/host/pci.c
@@ -2868,7 +2868,7 @@ static struct nvme_dev *nvme_pci_alloc_dev(struct pci_dev *pdev,
dev = kzalloc_node(sizeof(*dev), GFP_KERNEL, node);
if (!dev)
- return NULL;
+ return ERR_PTR(-ENOMEM);
INIT_WORK(&dev->ctrl.reset_work, nvme_reset_work);
INIT_WORK(&dev->remove_work, nvme_remove_dead_ctrl_work);
mutex_init(&dev->shutdown_lock);
@@ -2913,8 +2913,8 @@ static int nvme_probe(struct pci_dev *pdev, const struct pci_device_id *id)
int result = -ENOMEM;
dev = nvme_pci_alloc_dev(pdev, id);
- if (!dev)
- return -ENOMEM;
+ if (IS_ERR(dev))
+ return PTR_ERR(dev);
result = nvme_dev_map(dev);
if (result)
