[patch v2] sfc: check for allocation failure

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It upsets static analyzers when we don't check for allocation failure.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
v2: rebased on latest linux-next

diff --git a/drivers/net/ethernet/sfc/falcon.c b/drivers/net/ethernet/sfc/falcon.c
index 38d179c..75799f8 100644
--- a/drivers/net/ethernet/sfc/falcon.c
+++ b/drivers/net/ethernet/sfc/falcon.c
@@ -894,6 +894,8 @@ static int falcon_mtd_probe(struct efx_nic *efx)
 
 	/* Allocate space for maximum number of partitions */
 	parts = kcalloc(2, sizeof(*parts), GFP_KERNEL);
+	if (!parts)
+		return -ENOMEM;
 	n_parts = 0;
 
 	spi = &nic_data->spi_flash;
--
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