diff options
Diffstat (limited to 'rust/kernel/bitmap.rs')
| -rw-r--r-- | rust/kernel/bitmap.rs | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/rust/kernel/bitmap.rs b/rust/kernel/bitmap.rs index b27e0ec80d64..b51c8a96f1a8 100644 --- a/rust/kernel/bitmap.rs +++ b/rust/kernel/bitmap.rs @@ -459,7 +459,13 @@ impl Bitmap { /// Finds next set bit, starting from `start`. /// - /// Returns `None` if `start` is greater or equal to `self.nbits`. + /// Returns `None` if no bits are set on or after the given index. The + /// index `start` must be in bounds. + /// + /// # Panics + /// + /// Panics if `CONFIG_RUST_BITMAP_HARDENED` is enabled and `start` is + /// out of bounds. #[inline] pub fn next_bit(&self, start: usize) -> Option<usize> { bitmap_assert!( @@ -479,7 +485,14 @@ impl Bitmap { } /// Finds next zero bit, starting from `start`. - /// Returns `None` if `start` is greater than or equal to `self.len()`. + /// + /// Returns `None` if no bits are zero on or after the given index. The + /// index `start` must be in bounds. + /// + /// # Panics + /// + /// Panics if `CONFIG_RUST_BITMAP_HARDENED` is enabled and `start` is + /// out of bounds. #[inline] pub fn next_zero_bit(&self, start: usize) -> Option<usize> { bitmap_assert!( |