The patch
ASoC: hdac_hdmi: don't update the iterator in pcm list remove
has been applied to the asoc tree at
git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound.git
All being well this means that it will be integrated into the linux-next tree (usually sometime in the next 24 hours) and sent to Linus during the next merge window (or sooner if it is a bug fix), however if problems are discovered then the patch may be dropped or reverted.
You may get further e-mails resulting from automated or manual testing and review of the tree, please engage with people reporting problems and send followup patches addressing any issues that are reported if needed.
If any updates are required or you are submitting further changes they should be sent as incremental updates against current git, existing patches will not be replaced.
Please add any relevant lists and maintainers to the CCs when replying to this mail.
Thanks, Mark
From 2fe42dd0f13812d38daaf05bcb1fd996afd0e87a Mon Sep 17 00:00:00 2001
From: Jeeja KP jeeja.kp@intel.com Date: Wed, 1 Mar 2017 22:41:24 +0530 Subject: [PATCH] ASoC: hdac_hdmi: don't update the iterator in pcm list remove
Fix not to update the iterator element, instead use list_del to remove entry from the list.
This fixes the following coccinelle and static checker warning: sound/soc/codecs/hdac_hdmi.c:1884:2-21:iterator with update on line 1885 sound/soc/codecs/hdac_hdmi.c:2011 hdac_hdmi_dev_remove() error: potential NULL dereference 'port'.
Fixes: e0e5d3e5a53b('ASoC: hdac_hdmi: Add support for multiple ports to a PCM') Reported-by: Julia Lawall Julia.Lawall@lip6.fr Reported-by: Dan Carpenter dan.carpenter@oracle.com Signed-off-by: Jeeja KP jeeja.kp@intel.com Acked-by: Vinod Koul vinod.koul@intel.com Signed-off-by: Mark Brown broonie@kernel.org --- sound/soc/codecs/hdac_hdmi.c | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/sound/soc/codecs/hdac_hdmi.c b/sound/soc/codecs/hdac_hdmi.c index bb405698e102..fd272a40485b 100644 --- a/sound/soc/codecs/hdac_hdmi.c +++ b/sound/soc/codecs/hdac_hdmi.c @@ -1997,7 +1997,7 @@ static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev) struct hdac_hdmi_pin *pin, *pin_next; struct hdac_hdmi_cvt *cvt, *cvt_next; struct hdac_hdmi_pcm *pcm, *pcm_next; - struct hdac_hdmi_port *port; + struct hdac_hdmi_port *port, *port_next; int i;
snd_soc_unregister_codec(&edev->hdac.dev); @@ -2007,8 +2007,9 @@ static int hdac_hdmi_dev_remove(struct hdac_ext_device *edev) if (list_empty(&pcm->port_list)) continue;
- list_for_each_entry(port, &pcm->port_list, head) - port = NULL; + list_for_each_entry_safe(port, port_next, + &pcm->port_list, head) + list_del(&port->head);
list_del(&pcm->head); kfree(pcm);