diff options
| author | Mark Kettenis <[email protected]> | 2026-05-09 22:31:36 +0200 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2026-05-15 08:18:11 -0600 |
| commit | 215496fec59b3fa09256b4fb62f92af46e2ec7f9 (patch) | |
| tree | ae9689d8d61a671dec1cb4e5fe3c3b09aff40232 | |
| parent | f3af40cff99528627c311aed939183e420c30885 (diff) | |
The smbios_get_val_si() function may get called for a sysinfo
property for which there is no mapping to a devicetree property.
Avoid a NULL pointer dereference in this case by skipping the
read of the mapped property from the device tree.
Fixes: 83b28b55d74f ("smbios: add support for dynamic generation of Type 9 system slot tables")
Signed-off-by: Mark Kettenis <[email protected]>
Reviewed-by: Ilias Apalodimas <[email protected]>
Reviewed-by: Simon Glass <[email protected]>
Reviewed-by: Raymond Mao <[email protected]>
| -rw-r--r-- | lib/smbios.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/smbios.c b/lib/smbios.c index d5f18c8bd69..906d2753517 100644 --- a/lib/smbios.c +++ b/lib/smbios.c @@ -292,7 +292,7 @@ static int smbios_get_val_si(struct smbios_ctx * __maybe_unused ctx, /* If the node is still missing, try with the mapping values */ nprop = convert_sysinfo_to_dt(ctx->subnode_name, prop); - if (!ofnode_read_u32(ofnode_root(), nprop->dt_str, &val)) + if (nprop && !ofnode_read_u32(ofnode_root(), nprop->dt_str, &val)) return val; #endif return val_def; |