diff options
| author | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-07-25 00:47:33 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-07-25 11:21:20 +0300 |
| commit | b9c28286d8f1822a10f702fcefe0b8a1db4e6917 (patch) | |
| tree | 4220028d575e0cac82c578cd243e31947e8df0c3 /include/net/nfc | |
| parent | 48d5440393d328cfe18b26e3609c84c0f41d6515 (diff) | |
| download | linux-b9c28286d8f1822a10f702fcefe0b8a1db4e6917.tar.xz | |
nfc: constify nci_ops
The struct nci_ops is modified by NFC core in only one case:
nci_allocate_device() receives too many proprietary commands (prop_ops)
to configure. This is a build time known constrain, so a graceful
handling of such case is not necessary.
Instead, fail the nci_allocate_device() and add BUILD_BUG_ON() to places
which set these.
This allows to constify the struct nci_ops (consisting of function
pointers) for correctness and safety.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/net/nfc')
| -rw-r--r-- | include/net/nfc/nci_core.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h index bf573eca07ca..5dae7e2cbc49 100644 --- a/include/net/nfc/nci_core.h +++ b/include/net/nfc/nci_core.h @@ -194,7 +194,7 @@ struct nci_hci_dev { /* NCI Core structures */ struct nci_dev { struct nfc_dev *nfc_dev; - struct nci_ops *ops; + const struct nci_ops *ops; struct nci_hci_dev *hci_dev; int tx_headroom; @@ -267,7 +267,7 @@ struct nci_dev { }; /* ----- NCI Devices ----- */ -struct nci_dev *nci_allocate_device(struct nci_ops *ops, +struct nci_dev *nci_allocate_device(const struct nci_ops *ops, __u32 supported_protocols, int tx_headroom, int tx_tailroom); |