This is a note to let you know that I've just added the patch titled
n_gsm: replace kfree_skb w/ appropriate dev_* versions
to the 3.4-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
n_gsm-replace-kfree_skb-w-appropriate-dev_-versions.patch
and it can be found in the queue-3.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 0afc4d3b3b1320437cdcc8a290ba9dd9dabe35c0 Mon Sep 17 00:00:00 2001
From: Russ Gorby <russ.gorby@xxxxxxxxx>
Date: Mon, 13 Aug 2012 13:45:15 +0100
Subject: n_gsm: replace kfree_skb w/ appropriate dev_* versions
From: Russ Gorby <russ.gorby@xxxxxxxxx>
commit 329e56780e514a7ab607bcb51a52ab0dc2669414 upstream.
Drivers are supposed to use the dev_* versions of the kfree_skb
interfaces. In a couple of cases we were called with IRQs
disabled as well which kfree_skb() does not expect.
Replaced kfree_skb calls w/ dev_kfree_skb and dev_kfree_skb_any
Signed-off-by: Russ Gorby <russ.gorby@xxxxxxxxx>
Tested-by: Yin, Fengwei <fengwei.yin@xxxxxxxxx>
Signed-off-by: Alan Cox <alan@xxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Signed-off-by: Ben Hutchings <ben@xxxxxxxxxxxxxxx>
Cc: Rui Xiang <rui.xiang@xxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/tty/n_gsm.c | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -879,7 +879,7 @@ static int gsm_dlci_data_output_framed(s
if (len > gsm->mtu) {
if (dlci->adaption == 3) {
/* Over long frame, bin it */
- kfree_skb(dlci->skb);
+ dev_kfree_skb_any(dlci->skb);
dlci->skb = NULL;
return 0;
}
@@ -908,7 +908,7 @@ static int gsm_dlci_data_output_framed(s
skb_pull(dlci->skb, len);
__gsm_data_queue(dlci, msg);
if (last) {
- kfree_skb(dlci->skb);
+ dev_kfree_skb_any(dlci->skb);
dlci->skb = NULL;
}
return size;
@@ -1688,7 +1688,7 @@ static void gsm_dlci_free(struct kref *r
dlci->gsm->dlci[dlci->addr] = NULL;
kfifo_free(dlci->fifo);
while ((dlci->skb = skb_dequeue(&dlci->skb_list)))
- kfree_skb(dlci->skb);
+ dev_kfree_skb(dlci->skb);
kfree(dlci);
}
@@ -2039,7 +2039,7 @@ void gsm_cleanup_mux(struct gsm_mux *gsm
{
int i;
struct gsm_dlci *dlci = gsm->dlci[0];
- struct gsm_msg *txq, *utxq;
+ struct gsm_msg *txq, *ntxq;
struct gsm_control *gc;
gsm->dead = 1;
Patches currently in stable-queue which might be from russ.gorby@xxxxxxxxx are
queue-3.4/n_gsm-flow-control-handling-in-mux-driver.patch
queue-3.4/n_gsm-replace-kfree_skb-w-appropriate-dev_-versions.patch
queue-3.4/n_gsm-avoid-accessing-freed-memory-during-cmd_fcoff-condition.patch
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