On 2/1/21 5:39 AM, Tianjia Zhang wrote:
index f7ad43f28579..508e0b34b5f0 100644 --- a/lib/oid_registry.c +++ b/lib/oid_registry.c @@ -11,6 +11,7 @@ #include <linux/kernel.h> #include <linux/errno.h> #include <linux/bug.h> +#include <linux/asn1.h> #include "oid_registry_data.c" MODULE_DESCRIPTION("OID Registry");@@ -92,6 +93,18 @@ enum OID look_up_OID(const void *data, size_t datasize)} EXPORT_SYMBOL_GPL(look_up_OID); +int parse_OID(const void *data, size_t datasize, enum OID *oid) +{ + const unsigned char *v = data; + + if (datasize < 2 || v[0] != ASN1_OID || v[1] != datasize - 2) + return -EBADMSG; + + *oid = look_up_OID(data + 2, datasize - 2); + return 0; +} +EXPORT_SYMBOL_GPL(parse_OID); + /* * sprint_OID - Print an Object Identifier into a buffer * @data: The encoded OID to printGreat job, I'm just curious why we need to add a new function, this seems unnecessary, if possible, please add
Thanks. I call this function in two places now. I thought it was 'worth it'.
Reviewed-by: Tianjia Zhang <[email protected]> Best regards, Tianjia
