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s390/ism: fix error return code in ism_probe() 

[ Upstream commit 29b74cb75e3572d83708745e81e24d37837415f9 ]

Fix to return negative error code -ENOMEM from the smcd_alloc_dev()
error handling case instead of 0, as done elsewhere in this function.

Fixes: 684b89bc39 ("s390/ism: add device driver for internal shared memory")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Ursula Braun <ubraun@linux.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Wei Yongjun 2020-05-13 09:42:29 +02:00 committed by Greg Kroah-Hartman
parent e1608af170
commit 46a22f3ea1
1 changed files with 3 additions and 1 deletions
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4
drivers/s390/net/ism_drv.c
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@ -521,8 +521,10 @@ static int ism_probe(struct pci_dev *pdev, const struct pci_device_id *id)
ism->smcd = smcd_alloc_dev(&pdev->dev, dev_name(&pdev->dev), &ism_ops,
ISM_NR_DMBS);
if (!ism->smcd)
if (!ism->smcd) {
ret = -ENOMEM;
goto err_resource;
}
ism->smcd->priv = ism;
ret = ism_dev_init(ism);