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Diffstat (limited to 'drivers/acpi/acpica/exregion.c')
-rw-r--r--drivers/acpi/acpica/exregion.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/acpica/exregion.c b/drivers/acpi/acpica/exregion.c
index 0a01e19c3190..044d44141be6 100644
--- a/drivers/acpi/acpica/exregion.c
+++ b/drivers/acpi/acpica/exregion.c
@@ -163,7 +163,7 @@ acpi_ex_system_memory_space_handler(u32 function,
page_boundary_map_length =
ACPI_ROUND_UP(address, ACPI_DEFAULT_PAGE_SIZE) - address;
- if (!page_boundary_map_length) {
+ if (page_boundary_map_length == 0) {
page_boundary_map_length = ACPI_DEFAULT_PAGE_SIZE;
}
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