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| author | sjur.brandeland@stericsson.com <sjur.brandeland@stericsson.com> | 2011-05-22 11:18:54 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-05-22 20:11:49 -0400 |
| commit | 69c867c90c7fe0773d9aa4e8bbf777f574be13d2 (patch) | |
| tree | b67c6269246eb32f6826d590ed6067c5ab87e9a2 /net | |
| parent | 138eded8ba1227261a297b32b7940664c14d193e (diff) | |
| download | linux-69c867c90c7fe0773d9aa4e8bbf777f574be13d2.tar.gz linux-69c867c90c7fe0773d9aa4e8bbf777f574be13d2.tar.bz2 linux-69c867c90c7fe0773d9aa4e8bbf777f574be13d2.zip | |
caif: Plug memory leak for checksum error
In case of checksum error, the framing layer returns -EILSEQ, but
does not free the packet. Plug this hole by freeing the packet if
-EILSEQ is returned.
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net')
| -rw-r--r-- | net/caif/caif_dev.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/net/caif/caif_dev.c b/net/caif/caif_dev.c index 366ca0fb7a29..682c0fedf360 100644 --- a/net/caif/caif_dev.c +++ b/net/caif/caif_dev.c @@ -142,6 +142,7 @@ static int receive(struct sk_buff *skb, struct net_device *dev, { struct cfpkt *pkt; struct caif_device_entry *caifd; + int err; pkt = cfpkt_fromnative(CAIF_DIR_IN, skb); @@ -159,7 +160,11 @@ static int receive(struct sk_buff *skb, struct net_device *dev, caifd_hold(caifd); rcu_read_unlock(); - caifd->layer.up->receive(caifd->layer.up, pkt); + err = caifd->layer.up->receive(caifd->layer.up, pkt); + + /* For -EILSEQ the packet is not freed so so it now */ + if (err == -EILSEQ) + cfpkt_destroy(pkt); /* Release reference to stack upwards */ caifd_put(caifd); |