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authorYu Liao <liaoyu15@huawei.com>2023-08-26 15:16:53 +0800
committerDave Jiang <dave.jiang@intel.com>2023-09-25 12:25:30 -0700
commit33908660e814203e996f6e775d033c5c32fcf9a7 (patch)
treee06b0e18b16a70f05adfac268f523386f900ee00 /drivers/acpi
parent6465e260f48790807eef06b583b38ca9789b6072 (diff)
ACPI: NFIT: Fix incorrect calculation of idt size
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@vger.kernel.org # v6.4+ Signed-off-by: Yu Liao <liaoyu15@huawei.com> Reviewed-by: Dave Jiang <dave.jiang@intel.com> Reviewed-by: Ira Weiny <ira.weiny@intel.com> Link: https://lore.kernel.org/r/20230826071654.564372-1-liaoyu15@huawei.com Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Diffstat (limited to 'drivers/acpi')
-rw-r--r--drivers/acpi/nfit/core.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index f0e6738ae3c9..f96bf32cd368 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,