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docs: stop suggesting strlcpy
Since strlcpy is deprecated, the documentation shouldn't suggest using it. This patch fixes the examples to use strscpy instead. It also uses sizeof instead of underlying constants as far as possible, to simplify future changes to the corresponding data structures. Signed-off-by: Stephen Kitt <steve@sk2.org> Acked-by: Kees Cook <keescook@chromium.org> Acked-by: Federico Vaga <federico.vaga@vaga.pv.it> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
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@ -194,9 +194,9 @@ with HID core:
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goto err_<...>;
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}
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strlcpy(hid->name, <device-name-src>, 127);
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strlcpy(hid->phys, <device-phys-src>, 63);
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strlcpy(hid->uniq, <device-uniq-src>, 63);
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strscpy(hid->name, <device-name-src>, sizeof(hid->name));
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strscpy(hid->phys, <device-phys-src>, sizeof(hid->phys));
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strscpy(hid->uniq, <device-uniq-src>, sizeof(hid->uniq));
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hid->ll_driver = &custom_ll_driver;
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hid->bus = <device-bus>;
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@ -137,7 +137,7 @@ static int usb_hcd_nxp_probe(struct platform_device *pdev)
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(...)
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i2c_adap = i2c_get_adapter(2);
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memset(&i2c_info, 0, sizeof(struct i2c_board_info));
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strlcpy(i2c_info.type, "isp1301_nxp", I2C_NAME_SIZE);
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strscpy(i2c_info.type, "isp1301_nxp", sizeof(i2c_info.type));
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isp1301_i2c_client = i2c_new_probed_device(i2c_adap, &i2c_info,
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normal_i2c, NULL);
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i2c_put_adapter(i2c_adap);
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@ -43,7 +43,7 @@ static int example_attach(struct i2c_adapter *adap, int addr, int kind)
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example->client.adapter = adap;
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i2c_set_clientdata(&state->i2c_client, state);
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strlcpy(client->i2c_client.name, "example", I2C_NAME_SIZE);
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strscpy(client->i2c_client.name, "example", sizeof(client->i2c_client.name));
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ret = i2c_attach_client(&state->i2c_client);
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if (ret < 0) {
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@ -138,7 +138,7 @@ can be removed:
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- example->client.flags = 0;
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- example->client.adapter = adap;
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-
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- strlcpy(client->i2c_client.name, "example", I2C_NAME_SIZE);
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- strscpy(client->i2c_client.name, "example", sizeof(client->i2c_client.name));
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The i2c_set_clientdata is now:
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@ -451,7 +451,7 @@ to protect the cache and all the objects within it. Here's the code::
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if ((obj = kmalloc(sizeof(*obj), GFP_KERNEL)) == NULL)
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return -ENOMEM;
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strlcpy(obj->name, name, sizeof(obj->name));
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strscpy(obj->name, name, sizeof(obj->name));
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obj->id = id;
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obj->popularity = 0;
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@ -660,7 +660,7 @@ Here is the code::
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}
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@@ -63,6 +94,7 @@
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strlcpy(obj->name, name, sizeof(obj->name));
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strscpy(obj->name, name, sizeof(obj->name));
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obj->id = id;
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obj->popularity = 0;
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+ obj->refcnt = 1; /* The cache holds a reference */
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@ -774,7 +774,7 @@ the lock is no longer used to protect the reference count itself.
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}
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@@ -94,7 +76,7 @@
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strlcpy(obj->name, name, sizeof(obj->name));
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strscpy(obj->name, name, sizeof(obj->name));
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obj->id = id;
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obj->popularity = 0;
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- obj->refcnt = 1; /* The cache holds a reference */
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@ -468,7 +468,7 @@ e tutti gli oggetti che contiene. Ecco il codice::
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if ((obj = kmalloc(sizeof(*obj), GFP_KERNEL)) == NULL)
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return -ENOMEM;
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strlcpy(obj->name, name, sizeof(obj->name));
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strscpy(obj->name, name, sizeof(obj->name));
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obj->id = id;
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obj->popularity = 0;
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@ -678,7 +678,7 @@ Ecco il codice::
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}
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@@ -63,6 +94,7 @@
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strlcpy(obj->name, name, sizeof(obj->name));
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strscpy(obj->name, name, sizeof(obj->name));
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obj->id = id;
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obj->popularity = 0;
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+ obj->refcnt = 1; /* The cache holds a reference */
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@ -792,7 +792,7 @@ contatore stesso.
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}
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@@ -94,7 +76,7 @@
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strlcpy(obj->name, name, sizeof(obj->name));
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strscpy(obj->name, name, sizeof(obj->name));
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obj->id = id;
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obj->popularity = 0;
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- obj->refcnt = 1; /* The cache holds a reference */
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