crypto/nx: Do not initialize workmem allocation

We are using percpu send window on P9 NX (powerNV) instead of opening
/ closing per each crypto session. Means txwin is removed from
workmem. So we do not need to initialize workmem for each request.
Signed-off-by: NHaren Myneni <haren@us.ibm.com>
Signed-off-by: NMichael Ellerman <mpe@ellerman.id.au>

drivers/crypto/nx/nx-842.c

@@ -116,7 +116,7 @@ int nx842_crypto_init(struct crypto_tfm *tfm, struct nx842_driver *driver)
 
 	spin_lock_init(&ctx->lock);
 	ctx->driver = driver;
-	ctx->wmem = kzalloc(driver->workmem_size, GFP_KERNEL);
+	ctx->wmem = kmalloc(driver->workmem_size, GFP_KERNEL);
 	ctx->sbounce = (u8 *)__get_free_pages(GFP_KERNEL, BOUNCE_BUFFER_ORDER);
 	ctx->dbounce = (u8 *)__get_free_pages(GFP_KERNEL, BOUNCE_BUFFER_ORDER);
 	if (!ctx->wmem || !ctx->sbounce || !ctx->dbounce) {