Kernel/AHCI: Fix shift of 1

This makes the 1 in the shift unsigned. This also changes the is_set_at parameter to be a u8.
cubiclove · Jun 25, 2021 · e9b7d58 · e9b7d58
1 parent f17b4e5
commit e9b7d58
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/Kernel/Storage/AHCI.h b/Kernel/Storage/AHCI.h
@@ -144,18 +144,18 @@ class MaskedBitField {
 
  void set_at(u8 index) const
  {
- VERIFY(((1 << index) & m_bit_mask) != 0);
- m_bitfield = m_bitfield | ((1 << index) & m_bit_mask);
+ VERIFY(((1u << index) & m_bit_mask) != 0);
+ m_bitfield = m_bitfield | ((1u << index) & m_bit_mask);
  }
 
  void set_all() const
  {
  m_bitfield = m_bitfield | (0xffffffff & m_bit_mask);
  }
 
- bool is_set_at(u32 port_index) const
+ bool is_set_at(u8 port_index) const
  {
- return m_bitfield & ((1 << port_index) & m_bit_mask);
+ return m_bitfield & ((1u << port_index) & m_bit_mask);
  }
 
  bool is_zeroed() const