diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c
index 063c707844d39342186b4e2bae5ffe7a87483292..3047c1ab944aaba046173296e8a10c01f30b7868 100644
--- a/drivers/net/wireless/marvell/mwifiex/pcie.c
+++ b/drivers/net/wireless/marvell/mwifiex/pcie.c
@@ -189,7 +189,7 @@ static int mwifiex_pcie_probe(struct pci_dev *pdev,
 	pr_debug("info: vendor=0x%4.04X device=0x%4.04X rev=%d\n",
 		 pdev->vendor, pdev->device, pdev->revision);
 
-	card = kzalloc(sizeof(struct pcie_service_card), GFP_KERNEL);
+	card = devm_kzalloc(&pdev->dev, sizeof(*card), GFP_KERNEL);
 	if (!card)
 		return -ENOMEM;
 
@@ -2815,7 +2815,6 @@ static int mwifiex_pcie_init(struct mwifiex_adapter *adapter)
 err_set_dma_mask:
 	pci_disable_device(pdev);
 err_enable_dev:
-	pci_set_drvdata(pdev, NULL);
 	return ret;
 }
 
@@ -2849,9 +2848,7 @@ static void mwifiex_pcie_cleanup(struct mwifiex_adapter *adapter)
 		pci_disable_device(pdev);
 		pci_release_region(pdev, 2);
 		pci_release_region(pdev, 0);
-		pci_set_drvdata(pdev, NULL);
 	}
-	kfree(card);
 }
 
 static int mwifiex_pcie_request_irq(struct mwifiex_adapter *adapter)
diff --git a/drivers/net/wireless/marvell/mwifiex/sdio.c b/drivers/net/wireless/marvell/mwifiex/sdio.c
index 807af13f9b41c00b9f714c7fed460b03d69b18db..e25a7f0dd51bb4f4c39d9cff90e086a960d0dcf1 100644
--- a/drivers/net/wireless/marvell/mwifiex/sdio.c
+++ b/drivers/net/wireless/marvell/mwifiex/sdio.c
@@ -160,7 +160,7 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
 	pr_debug("info: vendor=0x%4.04X device=0x%4.04X class=%d function=%d\n",
 		 func->vendor, func->device, func->class, func->num);
 
-	card = kzalloc(sizeof(struct sdio_mmc_card), GFP_KERNEL);
+	card = devm_kzalloc(&func->dev, sizeof(*card), GFP_KERNEL);
 	if (!card)
 		return -ENOMEM;
 
@@ -193,7 +193,7 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
 
 	if (ret) {
 		dev_err(&func->dev, "failed to enable function\n");
-		goto err_free;
+		return ret;
 	}
 
 	/* device tree node parsing and platform specific configuration*/
@@ -218,8 +218,6 @@ mwifiex_sdio_probe(struct sdio_func *func, const struct sdio_device_id *id)
 	sdio_claim_host(func);
 	sdio_disable_func(func);
 	sdio_release_host(func);
-err_free:
-	kfree(card);
 
 	return ret;
 }
@@ -2248,8 +2246,6 @@ static void mwifiex_cleanup_sdio(struct mwifiex_adapter *adapter)
 	kfree(card->mpa_rx.len_arr);
 	kfree(card->mpa_tx.buf);
 	kfree(card->mpa_rx.buf);
-	sdio_set_drvdata(card->func, NULL);
-	kfree(card);
 }
 
 /*
@@ -2299,6 +2295,14 @@ static void mwifiex_recreate_adapter(struct sdio_mmc_card *card)
 
 	mwifiex_sdio_remove(func);
 
+	/*
+	 * Normally, we would let the driver core take care of releasing these.
+	 * But we're not letting the driver core handle this one. See above
+	 * TODO.
+	 */
+	sdio_set_drvdata(func, NULL);
+	devm_kfree(&func->dev, card);
+
 	/* power cycle the adapter */
 	sdio_claim_host(func);
 	mmc_hw_reset(func->card->host);
diff --git a/drivers/net/wireless/marvell/mwifiex/usb.c b/drivers/net/wireless/marvell/mwifiex/usb.c
index 73eb0846db210be16476e94f0d7f872992154112..57ed834ba29617228eb4fadcdb61bd0431c865b6 100644
--- a/drivers/net/wireless/marvell/mwifiex/usb.c
+++ b/drivers/net/wireless/marvell/mwifiex/usb.c
@@ -382,7 +382,7 @@ static int mwifiex_usb_probe(struct usb_interface *intf,
 	struct usb_card_rec *card;
 	u16 id_vendor, id_product, bcd_device, bcd_usb;
 
-	card = kzalloc(sizeof(struct usb_card_rec), GFP_KERNEL);
+	card = devm_kzalloc(&intf->dev, sizeof(*card), GFP_KERNEL);
 	if (!card)
 		return -ENOMEM;
 
@@ -480,7 +480,6 @@ static int mwifiex_usb_probe(struct usb_interface *intf,
 	if (ret) {
 		pr_err("%s: mwifiex_add_card failed: %d\n", __func__, ret);
 		usb_reset_device(udev);
-		kfree(card);
 		return ret;
 	}
 
@@ -630,11 +629,7 @@ static void mwifiex_usb_disconnect(struct usb_interface *intf)
 		    "%s: removing card\n", __func__);
 	mwifiex_remove_card(adapter, &add_remove_card_sem);
 
-	usb_set_intfdata(intf, NULL);
 	usb_put_dev(interface_to_usbdev(intf));
-	kfree(card);
-
-	return;
 }
 
 static struct usb_driver mwifiex_usb_driver = {