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| author | Ard Biesheuvel <ardb@kernel.org> | 2023-02-28 21:23:09 +0300 |
|---|---|---|
| committer | Ard Biesheuvel <ardb@kernel.org> | 2023-03-18 13:37:56 +0300 |
| commit | 34343eb06afc04af9178a9883d9354dc12beede0 (patch) | |
| tree | 6e53401fc61d24099546c7b9ec9fd8b3ddc29546 | |
| parent | 8b3a149db461d3286d1e211112de3b44ccaeaf71 (diff) | |
| download | linux-34343eb06afc04af9178a9883d9354dc12beede0.tar.xz | |
efi/libstub: smbios: Use length member instead of record struct size
The type 1 SMBIOS record happens to always be the same size, but there
are other record types which have been augmented over time, and so we
should really use the length field in the header to decide where the
string table starts.
Fixes: 550b33cfd4452968 ("arm64: efi: Force the use of ...")
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
| -rw-r--r-- | drivers/firmware/efi/libstub/smbios.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/firmware/efi/libstub/smbios.c b/drivers/firmware/efi/libstub/smbios.c index 460418b7f5f5..aadb422b9637 100644 --- a/drivers/firmware/efi/libstub/smbios.c +++ b/drivers/firmware/efi/libstub/smbios.c @@ -36,7 +36,7 @@ const u8 *__efi_get_smbios_string(u8 type, int offset, int recsize) if (status != EFI_SUCCESS) return NULL; - strtable = (u8 *)record + recsize; + strtable = (u8 *)record + record->length; for (int i = 1; i < ((u8 *)record)[offset]; i++) { int len = strlen(strtable); |