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authorKrzysztof Kozlowski <krzysztof.kozlowski@canonical.com>2021-07-24 23:49:25 +0200
committerDavid S. Miller <davem@davemloft.net>2021-07-25 09:21:21 +0100
commitf6c802a726aea43a2937763f13560c1fd170fae6 (patch)
tree7a5026123ebe12da9ef83b8c85c1d993c043c41a
parent5f3e63933793fff15ae3b968f1c03698bdd3fc66 (diff)
downloadlwn-f6c802a726aea43a2937763f13560c1fd170fae6.tar.gz
lwn-f6c802a726aea43a2937763f13560c1fd170fae6.zip
nfc: constify nfc_ops
Neither the core nor the drivers modify the passed pointer to struct nfc_ops, so make it a pointer to const for correctness and safety. Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com> Signed-off-by: David S. Miller <davem@davemloft.net>
-rw-r--r--drivers/nfc/pn533/pn533.c2
-rw-r--r--include/net/nfc/nfc.h4
-rw-r--r--net/nfc/core.c2
-rw-r--r--net/nfc/digital_core.c2
-rw-r--r--net/nfc/hci/core.c2
-rw-r--r--net/nfc/nci/core.c2
6 files changed, 7 insertions, 7 deletions
diff --git a/drivers/nfc/pn533/pn533.c b/drivers/nfc/pn533/pn533.c
index cd64bfe20402..2f3f3fe9a0ba 100644
--- a/drivers/nfc/pn533/pn533.c
+++ b/drivers/nfc/pn533/pn533.c
@@ -2623,7 +2623,7 @@ static int pn533_dev_down(struct nfc_dev *nfc_dev)
return ret;
}
-static struct nfc_ops pn533_nfc_ops = {
+static const struct nfc_ops pn533_nfc_ops = {
.dev_up = pn533_dev_up,
.dev_down = pn533_dev_down,
.dep_link_up = pn533_dep_link_up,
diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h
index 31672021d071..85b698794b14 100644
--- a/include/net/nfc/nfc.h
+++ b/include/net/nfc/nfc.h
@@ -191,14 +191,14 @@ struct nfc_dev {
const struct nfc_vendor_cmd *vendor_cmds;
int n_vendor_cmds;
- struct nfc_ops *ops;
+ const struct nfc_ops *ops;
struct genl_info *cur_cmd_info;
};
#define to_nfc_dev(_dev) container_of(_dev, struct nfc_dev, dev)
extern struct class nfc_class;
-struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops,
+struct nfc_dev *nfc_allocate_device(const struct nfc_ops *ops,
u32 supported_protocols,
int tx_headroom,
int tx_tailroom);
diff --git a/net/nfc/core.c b/net/nfc/core.c
index 573c80c6ff7a..6ade54149b73 100644
--- a/net/nfc/core.c
+++ b/net/nfc/core.c
@@ -1048,7 +1048,7 @@ struct nfc_dev *nfc_get_device(unsigned int idx)
* @tx_headroom: reserved space at beginning of skb
* @tx_tailroom: reserved space at end of skb
*/
-struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops,
+struct nfc_dev *nfc_allocate_device(const struct nfc_ops *ops,
u32 supported_protocols,
int tx_headroom, int tx_tailroom)
{
diff --git a/net/nfc/digital_core.c b/net/nfc/digital_core.c
index 5044c7db577e..8f2572decccd 100644
--- a/net/nfc/digital_core.c
+++ b/net/nfc/digital_core.c
@@ -732,7 +732,7 @@ exit:
return rc;
}
-static struct nfc_ops digital_nfc_ops = {
+static const struct nfc_ops digital_nfc_ops = {
.dev_up = digital_dev_up,
.dev_down = digital_dev_down,
.start_poll = digital_start_poll,
diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c
index e37d30302b06..b33fe4ee1581 100644
--- a/net/nfc/hci/core.c
+++ b/net/nfc/hci/core.c
@@ -928,7 +928,7 @@ static int hci_fw_download(struct nfc_dev *nfc_dev, const char *firmware_name)
return hdev->ops->fw_download(hdev, firmware_name);
}
-static struct nfc_ops hci_nfc_ops = {
+static const struct nfc_ops hci_nfc_ops = {
.dev_up = hci_dev_up,
.dev_down = hci_dev_down,
.start_poll = hci_start_poll,
diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c
index 50c625940fa3..400d66c4e210 100644
--- a/net/nfc/nci/core.c
+++ b/net/nfc/nci/core.c
@@ -1102,7 +1102,7 @@ static int nci_fw_download(struct nfc_dev *nfc_dev, const char *firmware_name)
return ndev->ops->fw_download(ndev, firmware_name);
}
-static struct nfc_ops nci_nfc_ops = {
+static const struct nfc_ops nci_nfc_ops = {
.dev_up = nci_dev_up,
.dev_down = nci_dev_down,
.start_poll = nci_start_poll,