rust: clk: use `CStr::as_char_ptr`

Replace the use of `as_ptr` which works through `<CStr as
Deref<Target=&[u8]>::deref()` in preparation for replacing
`kernel::str::CStr` with `core::ffi::CStr` as the latter does not
implement `Deref<Target=&[u8]>`.

Signed-off-by: Tamir Duberstein <tamird@gmail.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Link: https://patch.msgid.link/20251018-cstr-core-v18-14-9378a54385f8@gmail.com
Signed-off-by: Miguel Ojeda <ojeda@kernel.org>

diff --git a/rust/kernel/clk.rs b/rust/kernel/clk.rs
index 1e6c8c42fb3a321951e275101848b35e1ae5c2a8..c1cfaeaa36a22be2e3180b1e9142bb608ab276ea 100644 (file)
--- a/rust/kernel/clk.rs
+++ b/rust/kernel/clk.rs
@@ -136,7 +136,7 @@ mod common_clk {
         ///
         /// [`clk_get`]: https://docs.kernel.org/core-api/kernel-api.html#c.clk_get
         pub fn get(dev: &Device, name: Option<&CStr>) -> Result<Self> {
-            let con_id = name.map_or(ptr::null(), |n| n.as_ptr());
+            let con_id = name.map_or(ptr::null(), |n| n.as_char_ptr());
 
             // SAFETY: It is safe to call [`clk_get`] for a valid device pointer.
             //
@@ -304,7 +304,7 @@ mod common_clk {
         /// [`clk_get_optional`]:
         /// https://docs.kernel.org/core-api/kernel-api.html#c.clk_get_optional
         pub fn get(dev: &Device, name: Option<&CStr>) -> Result<Self> {
-            let con_id = name.map_or(ptr::null(), |n| n.as_ptr());
+            let con_id = name.map_or(ptr::null(), |n| n.as_char_ptr());
 
             // SAFETY: It is safe to call [`clk_get_optional`] for a valid device pointer.
             //