[PATCH 09/12] nfc: constify nfc_ops
From: Krzysztof Kozlowski <hidden>
Date: 2021-07-24 21:50:04
Also in:
linux-doc, linux-wireless, lkml
Subsystem:
networking [general], nfc subsystem, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Heidelberg, Linus Torvalds
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 <redacted> --- drivers/nfc/pn533/pn533.c | 2 +- include/net/nfc/nfc.h | 4 ++-- net/nfc/core.c | 2 +- net/nfc/digital_core.c | 2 +- net/nfc/hci/core.c | 2 +- net/nfc/nci/core.c | 2 +- 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 @@ static int digital_in_send(struct nfc_dev *nfc_dev, struct nfc_target *target, 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,
--
2.27.0