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authorFelix Held <felix-coreboot@felixheld.de>2023-08-03 01:08:14 +0200
committerMartin L Roth <gaumless@gmail.com>2023-12-05 18:36:15 +0000
commit67b3c8f278312768a25f0ad07569e22288d0a11f (patch)
tree14ef2fb7100c5dd398163c4dff87f43aa6d3e73d /src
parent372dfe0e20f7e56ba2acf872392da41f5ee28633 (diff)
acpi/acpi: make sure that table_ptr is non-NULL in acpidump_print
While acpidump_print shouldn't be called with a NULL pointer as table_ptr argument, better add a check to not end up dereferencing the NULL pointer. Signed-off-by: Felix Held <felix-coreboot@felixheld.de> Change-Id: Ic3cc103c8a47fb8c2fe4262236ea47013af27c4f Reviewed-on: https://review.coreboot.org/c/coreboot/+/79393 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
Diffstat (limited to 'src')
-rw-r--r--src/acpi/acpi.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/acpi/acpi.c b/src/acpi/acpi.c
index e40d4ac9aa..c4d55ab453 100644
--- a/src/acpi/acpi.c
+++ b/src/acpi/acpi.c
@@ -1367,6 +1367,8 @@ static void acpixtract_compatible_hexdump(const void *memory, size_t length)
static void acpidump_print(void *table_ptr)
{
+ if (table_ptr == NULL)
+ return;
const acpi_header_t *header = (acpi_header_t *)table_ptr;
const size_t table_size = header->length;
printk(BIOS_SPEW, "%.4s @ 0x0000000000000000\n", header->signature);