Name
ahash_request_alloc —
allocate request data structure
Synopsis
struct ahash_request * ahash_request_alloc ( | struct crypto_ahash * tfm, |
| gfp_t gfp) ; |
Arguments
tfm
cipher handle to be registered with the request
gfp
memory allocation flag that is handed to kmalloc by the API call.
Description
Allocate the request data structure that must be used with the ahash
message digest API calls. During
the allocation, the provided ahash handle
is registered in the request data structure.
Return
allocated request handle in case of success; IS_ERR
is true in case
of an error, PTR_ERR
returns the error code.