[PATCH 1/1] remoteproc: replace "%p" with "%pK"

From: Loic Pallardy
Date: Fri Jul 06 2018 - 08:41:08 EST


The format specifier "%p" can leak kernel addresses.
Use "%pK" instead.

This patch proposes changes for remoteproc core only.

Signed-off-by: Loic Pallardy <loic.pallardy@xxxxxx>
---
drivers/remoteproc/remoteproc_core.c | 6 +++---
drivers/remoteproc/remoteproc_debugfs.c | 4 ++--
drivers/remoteproc/remoteproc_virtio.c | 2 +-
3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c
index a9609d9..c597f0c 100644
--- a/drivers/remoteproc/remoteproc_core.c
+++ b/drivers/remoteproc/remoteproc_core.c
@@ -241,7 +241,7 @@ int rproc_alloc_vring(struct rproc_vdev *rvdev, int i)
if (notifyid > rproc->max_notifyid)
rproc->max_notifyid = notifyid;

- dev_dbg(dev, "vring%d: va %p dma %pad size 0x%x idr %d\n",
+ dev_dbg(dev, "vring%d: va %pK dma %pad size 0x%x idr %d\n",
i, va, &dma, size, notifyid);

rvring->va = va;
@@ -497,7 +497,7 @@ static int rproc_handle_trace(struct rproc *rproc, struct fw_rsc_trace *rsc,

rproc->num_traces++;

- dev_dbg(dev, "%s added: va %p, da 0x%x, len 0x%x\n",
+ dev_dbg(dev, "%s added: va %pK, da 0x%x, len 0x%x\n",
name, ptr, rsc->da, rsc->len);

return 0;
@@ -635,7 +635,7 @@ static int rproc_handle_carveout(struct rproc *rproc,
goto free_carv;
}

- dev_dbg(dev, "carveout va %p, dma %pad, len 0x%x\n",
+ dev_dbg(dev, "carveout va %pK, dma %pad, len 0x%x\n",
va, &dma, rsc->len);

/*
diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c
index a204883..a5c29f2 100644
--- a/drivers/remoteproc/remoteproc_debugfs.c
+++ b/drivers/remoteproc/remoteproc_debugfs.c
@@ -231,7 +231,7 @@ static int rproc_rsc_table_show(struct seq_file *seq, void *p)
}
break;
default:
- seq_printf(seq, "Unknown resource type found: %d [hdr: %p]\n",
+ seq_printf(seq, "Unknown resource type found: %d [hdr: %pK]\n",
hdr->type, hdr);
break;
}
@@ -260,7 +260,7 @@ static int rproc_carveouts_show(struct seq_file *seq, void *p)

list_for_each_entry(carveout, &rproc->carveouts, node) {
seq_puts(seq, "Carveout memory entry:\n");
- seq_printf(seq, "\tVirtual address: %p\n", carveout->va);
+ seq_printf(seq, "\tVirtual address: %pK\n", carveout->va);
seq_printf(seq, "\tDMA address: %pad\n", &carveout->dma);
seq_printf(seq, "\tDevice address: 0x%x\n", carveout->da);
seq_printf(seq, "\tLength: 0x%x Bytes\n\n", carveout->len);
diff --git a/drivers/remoteproc/remoteproc_virtio.c b/drivers/remoteproc/remoteproc_virtio.c
index b0633fd..bbecd44 100644
--- a/drivers/remoteproc/remoteproc_virtio.c
+++ b/drivers/remoteproc/remoteproc_virtio.c
@@ -96,7 +96,7 @@ static struct virtqueue *rp_find_vq(struct virtio_device *vdev,
size = vring_size(len, rvring->align);
memset(addr, 0, size);

- dev_dbg(dev, "vring%d: va %p qsz %d notifyid %d\n",
+ dev_dbg(dev, "vring%d: va %pK qsz %d notifyid %d\n",
id, addr, len, rvring->notifyid);

/*
--
1.9.1