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RDMA/usnic: Suppress a compiler warning

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This patch avoids that the following compiler warning is reported when
building with gcc 8 and W=1:

drivers/infiniband/hw/usnic/usnic_fwd.c:95:2: warning: 'strncpy' output may be truncated copying 16 bytes from a string of length 20 [-Wstringop-truncation]
  strncpy(ufdev->name, netdev_name(ufdev->netdev),
  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    sizeof(ufdev->name) - 1);
    ~~~~~~~~~~~~~~~~~~~~~~~~

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
This commit is contained in:
Bart Van Assche 2018-07-23 15:37:01 -07:00 committed by Jason Gunthorpe
parent 5d85a822fa
commit 7cfcc71eb0
2 changed files with 3 additions and 3 deletions
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4
drivers/infiniband/hw/usnic/usnic_fwd.c
View File

@ -92,8 +92,8 @@ struct usnic_fwd_dev *usnic_fwd_dev_alloc(struct pci_dev *pdev)
ufdev->pdev = pdev;
ufdev->netdev = pci_get_drvdata(pdev);
spin_lock_init(&ufdev->lock);
strncpy(ufdev->name, netdev_name(ufdev->netdev),
sizeof(ufdev->name) - 1);
BUILD_BUG_ON(sizeof(ufdev->name) != sizeof(ufdev->netdev->name));
strcpy(ufdev->name, ufdev->netdev->name);
return ufdev;
}

2
drivers/infiniband/hw/usnic/usnic_fwd.h
View File

@ -57,7 +57,7 @@ struct usnic_fwd_dev {
char mac[ETH_ALEN];
unsigned int mtu;
__be32 inaddr;
char name[IFNAMSIZ+1];
char name[IFNAMSIZ];
};
struct usnic_fwd_flow {