[PATCH v2] ACPI / APEI: Add is_generic_error() to identify GHES sources

[Terry Bowman]

From: Yazen Ghannam <yazen.ghannam@xxxxxxx>

Refactor duplicated GHES identity logic into is_generic_error().

Signed-off-by: Yazen Ghannam <yazen.ghannam@xxxxxxx>
Reviewed-by: Robert Richter <rrichter@xxxxxxx>
Co-developed-by: Terry Bowman <terry.bowman@xxxxxxx>
Signed-off-by: Terry Bowman <terry.bowman@xxxxxxx>
---
Changes in v2:
  - Rename is_ghes_type() to is_generic_error()
  - Add co-developed-by
  
 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..f220bb00e91b 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_generic_error(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_generic_error(hest_hdr))
 		(*count)++;
 	return 0;
 }
@@ -153,9 +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_generic_error(hest_hdr))
 		return 0;
 
 	if (!((struct acpi_hest_generic *)hest_hdr)->enabled)
--
2.27.0