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tty: n_gsm: improper skb_pull() use was leaking framed data
authorRuss Gorby <russ.gorby@intel.com>
Tue, 14 Jun 2011 20:23:29 +0000 (13:23 -0700)
committerGreg Kroah-Hartman <gregkh@suse.de>
Thu, 16 Jun 2011 19:00:15 +0000 (12:00 -0700)
commit57f2104f39995bac332ddc492fbf60aa28e0c35e
treeec5cc4b87ae3e3abc2749ec5010ba668231a017etree
parent7263287af93db4d5cf324a30546f2143419b7900commit | diff
tty: n_gsm: improper skb_pull() use was leaking framed data

gsm_dlci_data_output_framed() was doing:
memcpy(dp, skb_pull(dlci->skb, len), len);

The problem is skb_pull() returns the post-increment data ptr
so the first chunk of dlci->skb->data is leaked.

Signed-off-by: Russ Gorby <russ.gorby@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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