[PATCH] ACPI / APEI: Add is_ghes_type() to identify GHES sources

From: Terry Bowman
Date: Fri Jan 22 2021 - 13:05:48 EST


From: Yazen Ghannam <yazen.ghannam@xxxxxxx>

Refactor duplicated GHES identity logic into is_ghes_type().

Signed-off-by: Yazen Ghannam <yazen.ghannam@xxxxxxx>
Reviewed-by: Robert Richter <rrichter@xxxxxxx>
Signed-off-by: Terry Bowman <terry.bowman@xxxxxxx>
---
drivers/acpi/apei/hest.c | 12 ++++++++----
1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/acpi/apei/hest.c b/drivers/acpi/apei/hest.c
index 6e980fe16772..bd702e0ef339 100644
--- a/drivers/acpi/apei/hest.c
+++ b/drivers/acpi/apei/hest.c
@@ -49,6 +49,12 @@ static const int hest_esrc_len_tab[ACPI_HEST_TYPE_RESERVED] = {
[ACPI_HEST_TYPE_IA32_DEFERRED_CHECK] = -1,
};

+static inline bool is_ghes_type(struct acpi_hest_header *hest_hdr)
+{
+ return hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR ||
+ hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR_V2;
+}
+
static int hest_esrc_len(struct acpi_hest_header *hest_hdr)
{
u16 hest_type = hest_hdr->type;
@@ -141,8 +147,7 @@ static int __init hest_parse_ghes_count(struct acpi_hest_header *hest_hdr, void
{
int *count = data;

- if (hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR ||
- hest_hdr->type == ACPI_HEST_TYPE_GENERIC_ERROR_V2)
+ if (is_ghes_type(hest_hdr))
(*count)++;
return 0;
}
@@ -153,8 +158,7 @@ static int __init hest_parse_ghes(struct acpi_hest_header *hest_hdr, void *data)
struct ghes_arr *ghes_arr = data;
int rc, i;

- if (hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR &&
- hest_hdr->type != ACPI_HEST_TYPE_GENERIC_ERROR_V2)
+ if (!is_ghes_type(hest_hdr))
return 0;

if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
--
2.27.0