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@xxxxxxxxxxxxx>
---
drivers/nfc/microread/i2c.c | 2 +-
drivers/nfc/microread/microread.c | 4 ++--
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);
--
2.27.0
