Re: [PATCH 1/2] ACPI: NFIT: Fix incorrect calculation of idt size

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On 8/24/23 20:59, Yu Liao wrote:
Hi,

A kindly ping, any comment on this?

You can add my review tag to both of your patches in the series. Please cc nvdimm@xxxxxxxxxxxxxxx next time as well for nfit. Thanks!

Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx>


Best regards,
Yu


On 2023/8/17 17:11, Yu Liao wrote:
acpi_nfit_interleave's field 'line_offset' is switched to flexible array [1],
but sizeof_idt() still calculates the size in the form of 1-element array.

Therefore, fix incorrect calculation in sizeof_idt().

[1] https://lore.kernel.org/lkml/2652195.BddDVKsqQX@kreacher/

Fixes: 2a5ab99847bd ("ACPICA: struct acpi_nfit_interleave: Replace 1-element array with flexible array")
Cc: stable@xxxxxxxxxxxxxxx # v6.4+
Signed-off-by: Yu Liao <liaoyu15@xxxxxxxxxx>
---
  drivers/acpi/nfit/core.c | 2 +-
  1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index 07204d482968..305f590c54a8 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -855,7 +855,7 @@ static size_t sizeof_idt(struct acpi_nfit_interleave *idt)
  {
  	if (idt->header.length < sizeof(*idt))
  		return 0;
-	return sizeof(*idt) + sizeof(u32) * (idt->line_count - 1);
+	return sizeof(*idt) + sizeof(u32) * idt->line_count;
  }
static bool add_idt(struct acpi_nfit_desc *acpi_desc,




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