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scsi: snic: Return error code on memory allocation failure 

If a call to mempool_create_slab_pool() in snic_probe() returns NULL,
return -ENOMEM to indicate failure. mempool_creat_slab_pool() only fails
if it cannot allocate memory.

https://bugzilla.kernel.org/show_bug.cgi?id=189061

Reported-by: bianpan2010@ruc.edu.cn
Signed-off-by: Burak Ok <burak-kernel@bur0k.de>
Signed-off-by: Andreas Schaertl <andreas.schaertl@fau.de>
Acked-by: Narsimhulu Musini <nmusini@cisco.com>
Reviewed-by: Ewan D. Milne <emilne@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Burak Ok 2016-12-21 14:45:53 +01:00 committed by Martin K. Petersen
parent 9698b6f473
commit 0371adcdac
1 changed files with 3 additions and 0 deletions
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3
drivers/scsi/snic/snic_main.c
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@ -591,6 +591,7 @@ snic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!pool) {
SNIC_HOST_ERR(shost, "dflt sgl pool creation failed\n");
ret = -ENOMEM;
goto err_free_res;
}
@ -601,6 +602,7 @@ snic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!pool) {
SNIC_HOST_ERR(shost, "max sgl pool creation failed\n");
ret = -ENOMEM;
goto err_free_dflt_sgl_pool;
}
@ -611,6 +613,7 @@ snic_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
if (!pool) {
SNIC_HOST_ERR(shost, "snic tmreq info pool creation failed.\n");
ret = -ENOMEM;
goto err_free_max_sgl_pool;
}