From: Burak Ok <burak-ker...@bur0k.de>

[ Upstream commit 0371adcdaca92912baaa3256ed13e058a016e62d ]

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: bianpan2...@ruc.edu.cn
Signed-off-by: Burak Ok <burak-ker...@bur0k.de>
Signed-off-by: Andreas Schaertl <andreas.schae...@fau.de>
Acked-by: Narsimhulu Musini <nmus...@cisco.com>
Reviewed-by: Ewan D. Milne <emi...@redhat.com>
Signed-off-by: Martin K. Petersen <martin.peter...@oracle.com>
Signed-off-by: Sasha Levin <alexander.le...@verizon.com>
---
 drivers/scsi/snic/snic_main.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/scsi/snic/snic_main.c b/drivers/scsi/snic/snic_main.c
index 396b32dca074..7cf70aaec0ba 100644
--- a/drivers/scsi/snic/snic_main.c
+++ b/drivers/scsi/snic/snic_main.c
@@ -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;
        }
 
-- 
2.11.0

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