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| author | John Zhao <john.zhao@intel.com> | 2019-05-31 10:44:46 -0700 |
|---|---|---|
| committer | Martin Roth <martinroth@google.com> | 2019-06-03 18:24:06 +0000 |
| commit | 317cbd6f02e5f49bbc64dd0de0082c313c77c6b1 (patch) | |
| tree | 4c78e1adf59502dc0575dbe9a9523156bbcf1ab0 /src/soc/intel/broadwell/romstage/raminit.c | |
| parent | 9995418166bc4074de2a99aa50e74f8a88196c39 (diff) | |
| download | coreboot-317cbd6f02e5f49bbc64dd0de0082c313c77c6b1.tar.xz | |
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 <john.zhao@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/33152
Reviewed-by: Martin Roth <martinroth@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/intel/broadwell/romstage/raminit.c')
| -rw-r--r-- | src/soc/intel/broadwell/romstage/raminit.c | 6 |
1 files changed, 6 insertions, 0 deletions
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; |