diff options
| author | Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> | 2021-07-29 12:40:20 +0200 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2021-07-29 12:28:03 +0100 |
| commit | a751449f8b477e0e1d97f778ed97ae9f6576b690 (patch) | |
| tree | e4ae44bcda01ca970cb4668dce8135b7cab0d5fd /drivers/nfc | |
| parent | 3d463dd5023b5a58b3c37207d65eeb5acbac2be3 (diff) | |
| download | linux-a751449f8b477e0e1d97f778ed97ae9f6576b690.tar.bz2 | |
nfc: microread: constify several pointers
Several functions do not modify pointed data so arguments and local
variables can be const 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 'drivers/nfc')
| -rw-r--r-- | drivers/nfc/microread/i2c.c | 2 | ||||
| -rw-r--r-- | drivers/nfc/microread/microread.c | 4 | ||||
| -rw-r--r-- | drivers/nfc/microread/microread.h | 2 |
3 files changed, 4 insertions, 4 deletions
diff --git a/drivers/nfc/microread/i2c.c b/drivers/nfc/microread/i2c.c index f91760c78455..86f593c73ed6 100644 --- a/drivers/nfc/microread/i2c.c +++ b/drivers/nfc/microread/i2c.c @@ -73,7 +73,7 @@ static void microread_i2c_remove_len_crc(struct sk_buff *skb) skb_trim(skb, MICROREAD_I2C_FRAME_TAILROOM); } -static int check_crc(struct sk_buff *skb) +static int check_crc(const struct sk_buff *skb) { int i; u8 crc = 0; diff --git a/drivers/nfc/microread/microread.c b/drivers/nfc/microread/microread.c index 8e847524937c..9d83ccebd434 100644 --- a/drivers/nfc/microread/microread.c +++ b/drivers/nfc/microread/microread.c @@ -358,7 +358,7 @@ static int microread_complete_target_discovered(struct nfc_hci_dev *hdev, static void microread_im_transceive_cb(void *context, struct sk_buff *skb, int err) { - struct microread_info *info = context; + const struct microread_info *info = context; switch (info->async_cb_type) { case MICROREAD_CB_TYPE_READER_ALL: @@ -642,7 +642,7 @@ static const struct nfc_hci_ops microread_hci_ops = { }; int microread_probe(void *phy_id, const struct nfc_phy_ops *phy_ops, - char *llc_name, int phy_headroom, int phy_tailroom, + const char *llc_name, int phy_headroom, int phy_tailroom, int phy_payload, struct nfc_hci_dev **hdev) { struct microread_info *info; diff --git a/drivers/nfc/microread/microread.h b/drivers/nfc/microread/microread.h index 76152d7aa53c..2ee7ccfa22dd 100644 --- a/drivers/nfc/microread/microread.h +++ b/drivers/nfc/microread/microread.h @@ -11,7 +11,7 @@ #define DRIVER_DESC "NFC driver for microread" int microread_probe(void *phy_id, const struct nfc_phy_ops *phy_ops, - char *llc_name, int phy_headroom, int phy_tailroom, + const char *llc_name, int phy_headroom, int phy_tailroom, int phy_payload, struct nfc_hci_dev **hdev); void microread_remove(struct nfc_hci_dev *hdev); |