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wireless-drivers fixes for 4.10 

Only two fixes at this time. The rtlwifi fix is an important one as it
 fixes a reported oops and Linus was already asking about it. The
 orinoco fix is not tested on a real device, because it's old legacy
 hardware and hardly no-one use it, but it should fix a (theoretical)
 issue with VMAP_STACK.
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Merge tag 'wireless-drivers-for-davem-2017-01-10' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers

Kalle Valo says:

====================
wireless-drivers fixes for 4.10

Only two fixes at this time. The rtlwifi fix is an important one as it
fixes a reported oops and Linus was already asking about it. The
orinoco fix is not tested on a real device, because it's old legacy
hardware and hardly no-one use it, but it should fix a (theoretical)
issue with VMAP_STACK.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
David S. Miller 2017-01-10 11:27:46 -05:00
parent 6bb629db5e 60f59ce027
commit 2bc979f273
4 changed files with 31 additions and 21 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

44
drivers/net/wireless/intersil/orinoco/mic.c
View File

@ -16,7 +16,7 @@
/********************************************************************/
int orinoco_mic_init(struct orinoco_private *priv)
{
priv->tx_tfm_mic = crypto_alloc_ahash("michael_mic", 0,
priv->tx_tfm_mic = crypto_alloc_shash("michael_mic", 0,
CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->tx_tfm_mic)) {
printk(KERN_DEBUG "orinoco_mic_init: could not allocate "
@ -25,7 +25,7 @@ int orinoco_mic_init(struct orinoco_private *priv)
return -ENOMEM;
}
priv->rx_tfm_mic = crypto_alloc_ahash("michael_mic", 0,
priv->rx_tfm_mic = crypto_alloc_shash("michael_mic", 0,
CRYPTO_ALG_ASYNC);
if (IS_ERR(priv->rx_tfm_mic)) {
printk(KERN_DEBUG "orinoco_mic_init: could not allocate "
@ -40,17 +40,16 @@ int orinoco_mic_init(struct orinoco_private *priv)
void orinoco_mic_free(struct orinoco_private *priv)
{
if (priv->tx_tfm_mic)
crypto_free_ahash(priv->tx_tfm_mic);
crypto_free_shash(priv->tx_tfm_mic);
if (priv->rx_tfm_mic)
crypto_free_ahash(priv->rx_tfm_mic);
crypto_free_shash(priv->rx_tfm_mic);
}
int orinoco_mic(struct crypto_ahash *tfm_michael, u8 *key,
int orinoco_mic(struct crypto_shash *tfm_michael, u8 *key,
u8 *da, u8 *sa, u8 priority,
u8 *data, size_t data_len, u8 *mic)
{
AHASH_REQUEST_ON_STACK(req, tfm_michael);
struct scatterlist sg[2];
SHASH_DESC_ON_STACK(desc, tfm_michael);
u8 hdr[ETH_HLEN + 2]; /* size of header + padding */
int err;
@ -67,18 +66,27 @@ int orinoco_mic(struct crypto_ahash *tfm_michael, u8 *key,
hdr[ETH_ALEN * 2 + 2] = 0;
hdr[ETH_ALEN * 2 + 3] = 0;
/* Use scatter gather to MIC header and data in one go */
sg_init_table(sg, 2);
sg_set_buf(&sg[0], hdr, sizeof(hdr));
sg_set_buf(&sg[1], data, data_len);
desc->tfm = tfm_michael;
desc->flags = 0;
if (crypto_ahash_setkey(tfm_michael, key, MIC_KEYLEN))
return -1;
err = crypto_shash_setkey(tfm_michael, key, MIC_KEYLEN);
if (err)
return err;
err = crypto_shash_init(desc);
if (err)
return err;
err = crypto_shash_update(desc, hdr, sizeof(hdr));
if (err)
return err;
err = crypto_shash_update(desc, data, data_len);
if (err)
return err;
err = crypto_shash_final(desc, mic);
shash_desc_zero(desc);
ahash_request_set_tfm(req, tfm_michael);
ahash_request_set_callback(req, 0, NULL, NULL);
ahash_request_set_crypt(req, sg, mic, data_len + sizeof(hdr));
err = crypto_ahash_digest(req);
ahash_request_zero(req);
return err;
}

3
drivers/net/wireless/intersil/orinoco/mic.h
View File

@ -6,6 +6,7 @@
#define _ORINOCO_MIC_H_
#include <linux/types.h>
#include <crypto/hash.h>
#define MICHAEL_MIC_LEN 8
@ -15,7 +16,7 @@ struct crypto_ahash;
int orinoco_mic_init(struct orinoco_private *priv);
void orinoco_mic_free(struct orinoco_private *priv);
int orinoco_mic(struct crypto_ahash *tfm_michael, u8 *key,
int orinoco_mic(struct crypto_shash *tfm_michael, u8 *key,
u8 *da, u8 *sa, u8 priority,
u8 *data, size_t data_len, u8 *mic);

4
drivers/net/wireless/intersil/orinoco/orinoco.h
View File

@ -152,8 +152,8 @@ struct orinoco_private {
u8 *wpa_ie;
int wpa_ie_len;
struct crypto_ahash *rx_tfm_mic;
struct crypto_ahash *tx_tfm_mic;
struct crypto_shash *rx_tfm_mic;
struct crypto_shash *tx_tfm_mic;
unsigned int wpa_enabled:1;
unsigned int tkip_cm_active:1;

1
drivers/net/wireless/realtek/rtlwifi/usb.c
View File

@ -1063,6 +1063,7 @@ int rtl_usb_probe(struct usb_interface *intf,
return -ENOMEM;
}
rtlpriv = hw->priv;
rtlpriv->hw = hw;
rtlpriv->usb_data = kzalloc(RTL_USB_MAX_RX_COUNT * sizeof(u32),
GFP_KERNEL);
if (!rtlpriv->usb_data)