diff options
Diffstat (limited to 'rust/kernel')
| -rw-r--r-- | rust/kernel/pwm.rs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/rust/kernel/pwm.rs b/rust/kernel/pwm.rs index 2dd72a39acb5..4f683158fc08 100644 --- a/rust/kernel/pwm.rs +++ b/rust/kernel/pwm.rs @@ -607,7 +607,11 @@ impl<T: PwmOps> Chip<T> { let drvdata_ptr = unsafe { bindings::pwmchip_get_drvdata(c_chip_ptr) }; // SAFETY: We construct the `T` object in-place in the allocated private memory. - unsafe { data.__pinned_init(drvdata_ptr.cast())? }; + unsafe { data.__pinned_init(drvdata_ptr.cast()) }.inspect_err(|_| { + // SAFETY: It is safe to call `pwmchip_put()` with a valid pointer obtained + // from `pwmchip_alloc()`. We will not use pointer after this. + unsafe { bindings::pwmchip_put(c_chip_ptr) } + })?; // SAFETY: `c_chip_ptr` points to a valid chip. unsafe { |