2009-05-20 18:54:52

by Larry H.

Subject: [patch 2/5] Apply the PG_sensitive flag to mac80211 WEP key handling

This patch deploys the use of the PG_sensitive page allocator flag
within the mac80211 driver, more specifically the handling of WEP
RC4 keys during encryption and decryption.

Signed-off-by: Larry H. <[email protected]>

---
net/mac80211/wep.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

Index: linux-2.6/net/mac80211/wep.c
===================================================================
--- linux-2.6.orig/net/mac80211/wep.c
+++ linux-2.6/net/mac80211/wep.c
@@ -155,7 +155,7 @@ int ieee80211_wep_encrypt(struct ieee802
return -1;

klen = 3 + key->conf.keylen;
- rc4key = kmalloc(klen, GFP_ATOMIC);
+ rc4key = kmalloc(klen, GFP_ATOMIC | GFP_SENSITIVE);
if (!rc4key)
return -1;

@@ -243,7 +243,7 @@ int ieee80211_wep_decrypt(struct ieee802

klen = 3 + key->conf.keylen;

- rc4key = kmalloc(klen, GFP_ATOMIC);
+ rc4key = kmalloc(klen, GFP_ATOMIC | GFP_SENSITIVE);
if (!rc4key)
return -1;

2009-05-21 04:52:38

by Kalle Valo

Subject: Re: [patch 2/5] Apply the PG_sensitive flag to mac80211 WEP key handling

"Larry H." <[email protected]> writes:

> This patch deploys the use of the PG_sensitive page allocator flag
> within the mac80211 driver, more specifically the handling of WEP
> RC4 keys during encryption and decryption.

Why? Always explain the reason for the change in commit log. For
example, I have no idea why you want to change this.

> Signed-off-by: Larry H. <[email protected]>

Please add your last name.

--
Kalle Valo