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: [email protected]
Signed-off-by: Burak Ok <[email protected]>
Signed-off-by: Andreas Schaertl <[email protected]>
Acked-by: Narsimhulu Musini <[email protected]>
Reviewed-by: Ewan D. Milne <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>

diff --git a/drivers/scsi/snic/snic_main.c b/drivers/scsi/snic/snic_main.c
index 396b32dca07464dddbf575a37fd13ad1e3f92579..7cf70aaec0ba32ce9c506a84f21fb9be39bf9e64 100644 (file)
--- 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;
        }