diff options
Diffstat (limited to 'drivers/infiniband/sw/rxe/rxe_icrc.c')
| -rw-r--r-- | drivers/infiniband/sw/rxe/rxe_icrc.c | 40 |
1 files changed, 1 insertions, 39 deletions
diff --git a/drivers/infiniband/sw/rxe/rxe_icrc.c b/drivers/infiniband/sw/rxe/rxe_icrc.c index fdf5f08cd8f1..76d760fbe7ea 100644 --- a/drivers/infiniband/sw/rxe/rxe_icrc.c +++ b/drivers/infiniband/sw/rxe/rxe_icrc.c @@ -10,28 +10,6 @@ #include "rxe_loc.h" /** - * rxe_icrc_init() - Initialize crypto function for computing crc32 - * @rxe: rdma_rxe device object - * - * Return: 0 on success else an error - */ -int rxe_icrc_init(struct rxe_dev *rxe) -{ - struct crypto_shash *tfm; - - tfm = crypto_alloc_shash("crc32", 0, 0); - if (IS_ERR(tfm)) { - rxe_dbg_dev(rxe, "failed to init crc32 algorithm err: %ld\n", - PTR_ERR(tfm)); - return PTR_ERR(tfm); - } - - rxe->tfm = tfm; - - return 0; -} - -/** * rxe_crc32() - Compute cumulative crc32 for a contiguous segment * @rxe: rdma_rxe device object * @crc: starting crc32 value from previous segments @@ -42,23 +20,7 @@ int rxe_icrc_init(struct rxe_dev *rxe) */ static __be32 rxe_crc32(struct rxe_dev *rxe, __be32 crc, void *next, size_t len) { - __be32 icrc; - int err; - - SHASH_DESC_ON_STACK(shash, rxe->tfm); - - shash->tfm = rxe->tfm; - *(__be32 *)shash_desc_ctx(shash) = crc; - err = crypto_shash_update(shash, next, len); - if (unlikely(err)) { - rxe_dbg_dev(rxe, "failed crc calculation, err: %d\n", err); - return (__force __be32)crc32_le((__force u32)crc, next, len); - } - - icrc = *(__be32 *)shash_desc_ctx(shash); - barrier_data(shash_desc_ctx(shash)); - - return icrc; + return (__force __be32)crc32_le((__force u32)crc, next, len); } /** |