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pci: Reduce use of magic number 4

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No functional change intended.

Signed-off-by: Demi Marie Obenour <demiobenour@gmail.com>
This commit is contained in:
Demi Marie Obenour
2026-03-11 20:47:52 -04:00
committed by Rob Bradford
parent 68ae56eb74
commit 8b86dd9fb5
1 changed files with 2 additions and 2 deletions
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4
pci/src/configuration.rs
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@@ -987,7 +987,7 @@ impl PciConfiguration {
return None;
}
let bar_idx = reg_idx - 4;
let bar_idx = reg_idx - BAR0_REG;
// Handle special case where the address being written is
// different from the address initially provided. This is a
// BAR reprogramming case which needs to be properly caught.
@@ -1025,7 +1025,7 @@ impl PciConfiguration {
len,
region_type,
});
} else if (reg_idx > BAR0_REG)
} else if (bar_idx > 0)
&& ((self.registers[reg_idx - 1] & self.writable_bits[reg_idx - 1])
!= (self.bars[bar_idx - 1].addr & self.writable_bits[reg_idx - 1])
|| (value & mask) != (self.bars[bar_idx].addr & mask))