From 317cbd6f02e5f49bbc64dd0de0082c313c77c6b1 Mon Sep 17 00:00:00 2001 From: John Zhao Date: Fri, 31 May 2019 10:44:46 -0700 Subject: src/soc/intel: Avoid NULL pointer dereference Coverity detects pointer mem_info as NULL_RETURNS. Add sanity check for mem_info to prevent NULL pointer dereference. BUG=CID 1401394 TEST=Built and boot up to kernel. Change-Id: I9d78ab38b8b2dd3734e0143acfd88d9093f16ce6 Signed-off-by: John Zhao Reviewed-on: https://review.coreboot.org/c/coreboot/+/33152 Reviewed-by: Martin Roth Tested-by: build bot (Jenkins) --- src/soc/intel/broadwell/romstage/raminit.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src/soc/intel') diff --git a/src/soc/intel/broadwell/romstage/raminit.c b/src/soc/intel/broadwell/romstage/raminit.c index fc8b7c6984..c13761df3a 100644 --- a/src/soc/intel/broadwell/romstage/raminit.c +++ b/src/soc/intel/broadwell/romstage/raminit.c @@ -122,6 +122,12 @@ void raminit(struct pei_data *pei_data) printk(BIOS_DEBUG, "create cbmem for dimm information\n"); mem_info = cbmem_add(CBMEM_ID_MEMINFO, sizeof(struct memory_info)); + + if (!mem_info) { + printk(BIOS_ERR, "Error! Failed to add mem_info to cbmem\n"); + return; + } + memset(mem_info, 0, sizeof(*mem_info)); /* Translate pei_memory_info struct data into memory_info struct */ mem_info->dimm_cnt = pei_data->meminfo.dimm_cnt; -- cgit v1.2.3