Commit a751449f authored by Krzysztof Kozlowski's avatar Krzysztof Kozlowski Committed by David S. Miller
Browse files

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: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 3d463dd5

drivers/nfc/microread/i2c.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

drivers/nfc/microread/microread.c

+2 −2
Original line number Diff line number Diff line
@@ -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;

drivers/nfc/microread/microread.h

+1 −1
Original line number Diff line number Diff line
@@ -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);