--------------------------------------------------- From 1f1b7a2256db5e829cd03f8e4e382b1fbe36802a Mon Sep 17 00:00:00 2001 From: mpiglet mpiglet@outlook.com Date: Tue, 31 Aug 2021 00:51:42 +0800 Subject: [PATCH openEuler-21.03] add return value check for acpi_get_table

Signed-off-by: mpiglet mpiglet@outlook.com --- drivers/acpi/arm64/mpam.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/arm64/mpam.c b/drivers/acpi/arm64/mpam.c index 6c238f5a5c5a..fe870605f652 100644 --- a/drivers/acpi/arm64/mpam.c +++ b/drivers/acpi/arm64/mpam.c @@ -255,7 +255,7 @@ int __init acpi_mpam_parse(void) return -ENOENT;

/* PPTT is optional, there may be no mpam cache controls */ - acpi_get_table(ACPI_SIG_PPTT, 0, &pptt); + status = acpi_get_table(ACPI_SIG_PPTT, 0, &pptt); if (ACPI_FAILURE(status)) pptt = NULL;