diff options
| author | Wisley Chen <wisley.chen@quanta.corp-partner.google.com> | 2023-09-05 13:12:10 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-09-07 13:31:33 +0000 |
| commit | 15cb0d55275d8d2c3509d2f529daa754a4e7a74d (patch) | |
| tree | 4c3b862523a80670e184b2c116e5dc7c2c8519dd /src | |
| parent | d99fac194962a9867ae1d16280b1624af5fbdb71 (diff) | |
mb/google/brya/var/{kano,osiris,taeko}: Add null pointer check
Without part no. in CBI, mainboard_get_dram_part_num returns null.
To prevent passing this null pointer to strcmp and avoid unexpected
behavior, proper handling is necessary.
BUG=none
TEST=emerge-brya coreboot
Change-Id: I47e42376c6b1347c56afaec218aed63c5469f0aa
Signed-off-by: Wisley Chen <wisley.chen@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77646
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: David Wu <david_wu@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/brya/variants/kano/memory.c | 11 | ||||
| -rw-r--r-- | src/mainboard/google/brya/variants/osiris/memory.c | 11 | ||||
| -rw-r--r-- | src/mainboard/google/brya/variants/taeko/memory.c | 11 |
3 files changed, 18 insertions, 15 deletions
diff --git a/src/mainboard/google/brya/variants/kano/memory.c b/src/mainboard/google/brya/variants/kano/memory.c index 416fb073cf..c81f8cc21f 100644 --- a/src/mainboard/google/brya/variants/kano/memory.c +++ b/src/mainboard/google/brya/variants/kano/memory.c @@ -136,10 +136,11 @@ const struct mb_cfg *variant_memory_params(void) const char *hynix_mem1 = "H54G46CYRBX267"; const char *hynix_mem2 = "H54G56CYRBX247"; - if (!strcmp(part_num, hynix_mem1) || !strcmp(part_num, hynix_mem2)) { - printk(BIOS_INFO, "Enable cs_pi_start_high_in_ect for Hynix memory\n"); - return &hynix_memcfg; - } else { - return &kano_memcfg; + if (part_num) { + if (!strcmp(part_num, hynix_mem1) || !strcmp(part_num, hynix_mem2)) { + printk(BIOS_INFO, "Enable cs_pi_start_high_in_ect for Hynix memory\n"); + return &hynix_memcfg; + } } + return &kano_memcfg; } diff --git a/src/mainboard/google/brya/variants/osiris/memory.c b/src/mainboard/google/brya/variants/osiris/memory.c index 564289875f..4d16379174 100644 --- a/src/mainboard/google/brya/variants/osiris/memory.c +++ b/src/mainboard/google/brya/variants/osiris/memory.c @@ -136,10 +136,11 @@ const struct mb_cfg *variant_memory_params(void) const char *hynix_mem1 = "H54G46CYRBX267"; const char *hynix_mem2 = "H54G56CYRBX247"; - if (!strcmp(part_num, hynix_mem1) || !strcmp(part_num, hynix_mem2)) { - printk(BIOS_INFO, "Enable cs_pi_start_high_in_ect for Hynix memory\n"); - return &hynix_memcfg; - } else { - return &osiris_memcfg; + if (part_num) { + if (!strcmp(part_num, hynix_mem1) || !strcmp(part_num, hynix_mem2)) { + printk(BIOS_INFO, "Enable cs_pi_start_high_in_ect for Hynix memory\n"); + return &hynix_memcfg; + } } + return &osiris_memcfg; } diff --git a/src/mainboard/google/brya/variants/taeko/memory.c b/src/mainboard/google/brya/variants/taeko/memory.c index 72a6be2964..cecfdc6222 100644 --- a/src/mainboard/google/brya/variants/taeko/memory.c +++ b/src/mainboard/google/brya/variants/taeko/memory.c @@ -135,12 +135,13 @@ static const struct mb_cfg hynix_memconfig = { const struct mb_cfg *variant_memory_params(void) { const char *dram_part_num = mainboard_get_dram_part_num(); - if (strcmp(dram_part_num, "H54G46CYRBX267N") == 0) { - printk(BIOS_INFO, "Enable cs_pi_start_high_in_ect for Hynix DRAM part\n"); - return &hynix_memconfig; - } else { - return &baseboard_memcfg; + if (dram_part_num) { + if (strcmp(dram_part_num, "H54G46CYRBX267N") == 0) { + printk(BIOS_INFO, "Enable cs_pi_start_high_in_ect for Hynix DRAM part\n"); + return &hynix_memconfig; + } } + return &baseboard_memcfg; } int variant_memory_sku(void) |