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Date: Sat, 20 Apr 2019 09:22:24 -0700
From: Randy Dunlap <rdunlap@...radead.org>
To: Fuqian Huang <huangfq.daxian@...il.com>,
linux-kernel@...r.kernel.org
Cc: Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH] Fix some misuses of %x
On 4/19/19 6:21 AM, Fuqian Huang wrote:
> The pointers should be printed with %p or %px rather than
> cast to long or unsigned long type and printed with %x.
> Change %x to %p to print pointers.
>
> Signed-off-by: Fuqian Huang <huangfq.daxian@...il.com>
Hi,
You will need to send this patch (or patch set/patch series) to the
appropriate subsystem maintainers and their respective mailing lists.
Maintainers don't browse the linux-kernel mailing list to search or
pick up patches.
>From Documentation/process/submitting-patches.rst:
5) Select the recipients for your patch
---------------------------------------
You should always copy the appropriate subsystem maintainer(s) on any patch
to code that they maintain; look through the MAINTAINERS file and the
source code revision history to see who those maintainers are. The
script scripts/get_maintainer.pl can be very useful at this step. If you
cannot find a maintainer for the subsystem you are working on, Andrew
Morton (akpm@...ux-foundation.org) serves as a maintainer of last resort.
You should also normally choose at least one mailing list to receive a copy
of your patch set. linux-kernel@...r.kernel.org functions as a list of
last resort, but the volume on that list has caused a number of developers
to tune it out. Look in the MAINTAINERS file for a subsystem-specific
list; your patch will probably get more attention there. Please do not
spam unrelated lists, though.
Many kernel-related lists are hosted on vger.kernel.org; you can find a
list of them at http://vger.kernel.org/vger-lists.html. There are
kernel-related lists hosted elsewhere as well, though.
Thanks.
> ---
> drivers/atm/iphase.c | 4 ++--
> drivers/misc/genwqe/card_debugfs.c | 4 ++--
> drivers/net/hippi/rrunner.c | 4 ++--
> kernel/cgroup/debug.c | 8 ++++----
> net/ax25/af_ax25.c | 4 ++--
> sound/isa/gus/gus_mem.c | 2 +-
> 6 files changed, 13 insertions(+), 13 deletions(-)
>
> diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
> index 82532c299bb5..5278c57dce73 100644
> --- a/drivers/atm/iphase.c
> +++ b/drivers/atm/iphase.c
> @@ -2826,8 +2826,8 @@ static int ia_ioctl(struct atm_dev *dev, unsigned int cmd, void __user *arg)
> case 0x6:
> {
> ia_cmds.status = 0;
> - printk("skb = 0x%lx\n", (long)skb_peek(&iadev->tx_backlog));
> - printk("rtn_q: 0x%lx\n",(long)ia_deque_rtn_q(&iadev->tx_return_q));
> + printk("skb = 0x%p\n", skb_peek(&iadev->tx_backlog));
> + printk("rtn_q: 0x%p\n",ia_deque_rtn_q(&iadev->tx_return_q));
> }
> break;
> case 0x8:
> diff --git a/drivers/misc/genwqe/card_debugfs.c b/drivers/misc/genwqe/card_debugfs.c
> index 7c713e01d198..6f7e39f07811 100644
> --- a/drivers/misc/genwqe/card_debugfs.c
> +++ b/drivers/misc/genwqe/card_debugfs.c
> @@ -227,7 +227,7 @@ static int ddcb_info_show(struct seq_file *s, void *unused)
> seq_puts(s, "DDCB QUEUE:\n");
> seq_printf(s, " ddcb_max: %d\n"
> " ddcb_daddr: %016llx - %016llx\n"
> - " ddcb_vaddr: %016llx\n"
> + " ddcb_vaddr: %p\n"
> " ddcbs_in_flight: %u\n"
> " ddcbs_max_in_flight: %u\n"
> " ddcbs_completed: %u\n"
> @@ -237,7 +237,7 @@ static int ddcb_info_show(struct seq_file *s, void *unused)
> queue->ddcb_max, (long long)queue->ddcb_daddr,
> (long long)queue->ddcb_daddr +
> (queue->ddcb_max * DDCB_LENGTH),
> - (long long)queue->ddcb_vaddr, queue->ddcbs_in_flight,
> + queue->ddcb_vaddr, queue->ddcbs_in_flight,
> queue->ddcbs_max_in_flight, queue->ddcbs_completed,
> queue->return_on_busy, queue->wait_on_busy,
> cd->irqs_processed);
> diff --git a/drivers/net/hippi/rrunner.c b/drivers/net/hippi/rrunner.c
> index 029206e4da3b..0f7025f3a384 100644
> --- a/drivers/net/hippi/rrunner.c
> +++ b/drivers/net/hippi/rrunner.c
> @@ -1298,11 +1298,11 @@ static void rr_dump(struct net_device *dev)
> if (rrpriv->tx_skbuff[cons]){
> len = min_t(int, 0x80, rrpriv->tx_skbuff[cons]->len);
> printk("skbuff for cons %i is valid - dumping data (0x%x bytes - skbuff len 0x%x)\n", cons, len, rrpriv->tx_skbuff[cons]->len);
> - printk("mode 0x%x, size 0x%x,\n phys %08Lx, skbuff-addr %08lx, truesize 0x%x\n",
> + printk("mode 0x%x, size 0x%x,\n phys %08Lx, skbuff-addr %p, truesize 0x%x\n",
> rrpriv->tx_ring[cons].mode,
> rrpriv->tx_ring[cons].size,
> (unsigned long long) rrpriv->tx_ring[cons].addr.addrlo,
> - (unsigned long)rrpriv->tx_skbuff[cons]->data,
> + rrpriv->tx_skbuff[cons]->data,
> (unsigned int)rrpriv->tx_skbuff[cons]->truesize);
> for (i = 0; i < len; i++){
> if (!(i & 7))
> diff --git a/kernel/cgroup/debug.c b/kernel/cgroup/debug.c
> index 5f1b87330bee..80aa3f027ac3 100644
> --- a/kernel/cgroup/debug.c
> +++ b/kernel/cgroup/debug.c
> @@ -64,8 +64,8 @@ static int current_css_set_read(struct seq_file *seq, void *v)
> css = cset->subsys[ss->id];
> if (!css)
> continue;
> - seq_printf(seq, "%2d: %-4s\t- %lx[%d]\n", ss->id, ss->name,
> - (unsigned long)css, css->id);
> + seq_printf(seq, "%2d: %-4s\t- %p[%d]\n", ss->id, ss->name,
> + css, css->id);
> }
> rcu_read_unlock();
> spin_unlock_irq(&css_set_lock);
> @@ -224,8 +224,8 @@ static int cgroup_subsys_states_read(struct seq_file *seq, void *v)
> if (css->parent)
> snprintf(pbuf, sizeof(pbuf) - 1, " P=%d",
> css->parent->id);
> - seq_printf(seq, "%2d: %-4s\t- %lx[%d] %d%s\n", ss->id, ss->name,
> - (unsigned long)css, css->id,
> + seq_printf(seq, "%2d: %-4s\t- %p[%d] %d%s\n", ss->id, ss->name,
> + css, css->id,
> atomic_read(&css->online_cnt), pbuf);
> }
>
> diff --git a/net/ax25/af_ax25.c b/net/ax25/af_ax25.c
> index 5d01edf8d819..90c2831297dd 100644
> --- a/net/ax25/af_ax25.c
> +++ b/net/ax25/af_ax25.c
> @@ -1888,8 +1888,8 @@ static int ax25_info_show(struct seq_file *seq, void *v)
> * magic dev src_addr dest_addr,digi1,digi2,.. st vs vr va t1 t1 t2 t2 t3 t3 idle idle n2 n2 rtt window paclen Snd-Q Rcv-Q inode
> */
>
> - seq_printf(seq, "%8.8lx %s %s%s ",
> - (long) ax25,
> + seq_printf(seq, "%p %s %s%s ",
> + ax25,
> ax25->ax25_dev == NULL? "???" : ax25->ax25_dev->dev->name,
> ax2asc(buf, &ax25->source_addr),
> ax25->iamdigi? "*":"");
> diff --git a/sound/isa/gus/gus_mem.c b/sound/isa/gus/gus_mem.c
> index 4ac76f46dd76..63e790fbf066 100644
> --- a/sound/isa/gus/gus_mem.c
> +++ b/sound/isa/gus/gus_mem.c
> @@ -306,7 +306,7 @@ static void snd_gf1_mem_info_read(struct snd_info_entry *entry,
> used = 0;
> for (block = alloc->first, i = 0; block; block = block->next, i++) {
> used += block->size;
> - snd_iprintf(buffer, "Block %i at 0x%lx onboard 0x%x size %i (0x%x):\n", i, (long) block, block->ptr, block->size, block->size);
> + snd_iprintf(buffer, "Block %i at 0x%p onboard 0x%x size %i (0x%x):\n", i, block, block->ptr, block->size, block->size);
> if (block->share ||
> block->share_id[0] || block->share_id[1] ||
> block->share_id[2] || block->share_id[3])
>
--
~Randy
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