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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2021-08-30 13:57:55 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2021-08-30 13:57:55 -0700 |
| commit | 46f4945e2b39dda4b832909434785483e028419d (patch) | |
| tree | e70fc8b4056f68823a60f12b4b65720c0f56b286 /drivers/firmware/efi | |
| parent | 4a2b88eb0265a9d550982b188abf20618a0c1a84 (diff) | |
| parent | 1be72c8e0786727df375f11c8178ce7e65eea20e (diff) | |
Merge tag 'efi-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull EFI updates from Ingo Molnar:
"A handful of EFI changes for this cycle:
- EFI CPER parsing improvements
- Don't take the address of efi_guid_t internal fields"
* tag 'efi-core-2021-08-30' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
efi: cper: check section header more appropriately
efi: Don't use knowledge about efi_guid_t internals
efi: cper: fix scnprintf() use in cper_mem_err_location()
Diffstat (limited to 'drivers/firmware/efi')
| -rw-r--r-- | drivers/firmware/efi/cper.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/drivers/firmware/efi/cper.c b/drivers/firmware/efi/cper.c index ea7ca74fc173..73bdbd207e7a 100644 --- a/drivers/firmware/efi/cper.c +++ b/drivers/firmware/efi/cper.c @@ -221,7 +221,7 @@ static int cper_mem_err_location(struct cper_mem_err_compact *mem, char *msg) return 0; n = 0; - len = CPER_REC_LEN - 1; + len = CPER_REC_LEN; if (mem->validation_bits & CPER_MEM_VALID_NODE) n += scnprintf(msg + n, len - n, "node: %d ", mem->node); if (mem->validation_bits & CPER_MEM_VALID_CARD) @@ -258,13 +258,12 @@ static int cper_mem_err_location(struct cper_mem_err_compact *mem, char *msg) n += scnprintf(msg + n, len - n, "responder_id: 0x%016llx ", mem->responder_id); if (mem->validation_bits & CPER_MEM_VALID_TARGET_ID) - scnprintf(msg + n, len - n, "target_id: 0x%016llx ", - mem->target_id); + n += scnprintf(msg + n, len - n, "target_id: 0x%016llx ", + mem->target_id); if (mem->validation_bits & CPER_MEM_VALID_CHIP_ID) - scnprintf(msg + n, len - n, "chip_id: %d ", - mem->extended >> CPER_MEM_CHIP_ID_SHIFT); + n += scnprintf(msg + n, len - n, "chip_id: %d ", + mem->extended >> CPER_MEM_CHIP_ID_SHIFT); - msg[n] = '\0'; return n; } @@ -633,7 +632,7 @@ int cper_estatus_check(const struct acpi_hest_generic_status *estatus) data_len = estatus->data_length; apei_estatus_for_each_section(estatus, gdata) { - if (sizeof(struct acpi_hest_generic_data) > data_len) + if (acpi_hest_get_size(gdata) > data_len) return -EINVAL; record_size = acpi_hest_get_record_size(gdata); |