sfc: Added checks for heap allocation failure

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/drivers/net/sfc/xfp_phy.c b/drivers/net/sfc/xfp_phy.c
index cf75fab3e77e..f3684ad28887 100644
--- a/drivers/net/sfc/xfp_phy.c
+++ b/drivers/net/sfc/xfp_phy.c
@@ -85,6 +85,8 @@ static int xfp_phy_init(struct efx_nic *efx)
         int rc;
 
         phy_data = kzalloc(sizeof(struct xfp_phy_data), GFP_KERNEL);
+        if (!phy_data)
+                return -ENOMEM;
         efx->phy_data = phy_data;
 
         EFX_INFO(efx, "XFP: PHY ID reg %x (OUI %x model %x revision"