Re: [PATCH 1/7] drivers/isdn/mISDN/stack.c: remove invalid reference to list iterator variable
From: Julia Lawall Date: Sun, 8 Jul 2012 13:37:38 +0200 > From: Julia Lawall > > If list_for_each_entry, etc complete a traversal of the list, the iterator > variable ends up pointing to an address at an offset from the list head, > and not a meaningful structure. Thus this value should not be used after > the end of the iterator. The dereferences are just deleted from the > debugging statement. > > This problem was found using Coccinelle (http://coccinelle.lip6.fr/). > > Signed-off-by: Julia Lawall Applied. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
Re: [PATCH 1/7] drivers/isdn/mISDN/stack.c: remove invalid reference to list iterator variable
From: Julia Lawall julia.law...@lip6.fr Date: Sun, 8 Jul 2012 13:37:38 +0200 From: Julia Lawall julia.law...@lip6.fr If list_for_each_entry, etc complete a traversal of the list, the iterator variable ends up pointing to an address at an offset from the list head, and not a meaningful structure. Thus this value should not be used after the end of the iterator. The dereferences are just deleted from the debugging statement. This problem was found using Coccinelle (http://coccinelle.lip6.fr/). Signed-off-by: Julia Lawall julia.law...@lip6.fr Applied. -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 1/7] drivers/isdn/mISDN/stack.c: remove invalid reference to list iterator variable
From: Julia Lawall If list_for_each_entry, etc complete a traversal of the list, the iterator variable ends up pointing to an address at an offset from the list head, and not a meaningful structure. Thus this value should not be used after the end of the iterator. The dereferences are just deleted from the debugging statement. This problem was found using Coccinelle (http://coccinelle.lip6.fr/). Signed-off-by: Julia Lawall --- drivers/isdn/mISDN/stack.c |4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/isdn/mISDN/stack.c b/drivers/isdn/mISDN/stack.c index 1a0ae44..5f21f62 100644 --- a/drivers/isdn/mISDN/stack.c +++ b/drivers/isdn/mISDN/stack.c @@ -135,8 +135,8 @@ send_layer2(struct mISDNstack *st, struct sk_buff *skb) skb = NULL; else if (*debug & DEBUG_SEND_ERR) printk(KERN_DEBUG - "%s ch%d mgr prim(%x) addr(%x) err %d\n", - __func__, ch->nr, hh->prim, ch->addr, ret); + "%s mgr prim(%x) err %d\n", + __func__, hh->prim, ret); } out: mutex_unlock(>lmutex); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
[PATCH 1/7] drivers/isdn/mISDN/stack.c: remove invalid reference to list iterator variable
From: Julia Lawall julia.law...@lip6.fr If list_for_each_entry, etc complete a traversal of the list, the iterator variable ends up pointing to an address at an offset from the list head, and not a meaningful structure. Thus this value should not be used after the end of the iterator. The dereferences are just deleted from the debugging statement. This problem was found using Coccinelle (http://coccinelle.lip6.fr/). Signed-off-by: Julia Lawall julia.law...@lip6.fr --- drivers/isdn/mISDN/stack.c |4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/isdn/mISDN/stack.c b/drivers/isdn/mISDN/stack.c index 1a0ae44..5f21f62 100644 --- a/drivers/isdn/mISDN/stack.c +++ b/drivers/isdn/mISDN/stack.c @@ -135,8 +135,8 @@ send_layer2(struct mISDNstack *st, struct sk_buff *skb) skb = NULL; else if (*debug DEBUG_SEND_ERR) printk(KERN_DEBUG - %s ch%d mgr prim(%x) addr(%x) err %d\n, - __func__, ch-nr, hh-prim, ch-addr, ret); + %s mgr prim(%x) err %d\n, + __func__, hh-prim, ret); } out: mutex_unlock(st-lmutex); -- To unsubscribe from this list: send the line unsubscribe linux-kernel in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
