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authorAl Viro <viro@zeniv.linux.org.uk>2005-09-02 23:18:03 +0400
committerDavid S. Miller <davem@davemloft.net>2005-09-02 23:18:03 +0400
commitd70063c4634af060a5387337b7632f6334ca3458 (patch)
treeda02edf31bd8ae1f4ff5fa62ca664166d4d4a4d8 /drivers/atm
parent6475be16fd9b3c6746ca4d18959246b13c669ea8 (diff)
downloadlinux-d70063c4634af060a5387337b7632f6334ca3458.tar.xz
[ATM]: Fix dereference of uninitialized pointer in zatm
Fixing breakage from [NET]: Kill skb->list - original was assign vcc do a bunch of stuff using ZATM_VCC(vcc)->pool as common subexpression Now we do int pos = ZATM_VCC(vcc)->pool; assign vcc do a bunch of stuff even though vcc is not even initialized when we enter that block... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/atm')
-rw-r--r--drivers/atm/zatm.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c
index c4b75ecf9460..55959e4d1cb7 100644
--- a/drivers/atm/zatm.c
+++ b/drivers/atm/zatm.c
@@ -417,9 +417,9 @@ printk("dummy: 0x%08lx, 0x%08lx\n",dummy[0],dummy[1]);
chan = (here[3] & uPD98401_AAL5_CHAN) >>
uPD98401_AAL5_CHAN_SHIFT;
if (chan < zatm_dev->chans && zatm_dev->rx_map[chan]) {
- int pos = ZATM_VCC(vcc)->pool;
-
+ int pos;
vcc = zatm_dev->rx_map[chan];
+ pos = ZATM_VCC(vcc)->pool;
if (skb == zatm_dev->last_free[pos])
zatm_dev->last_free[pos] = NULL;
skb_unlink(skb, zatm_dev->pool + pos);