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https://github.com/openwrt/openwrt.git
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83 lines
2.8 KiB
Diff
83 lines
2.8 KiB
Diff
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From 02abb20a226a5a1e5c6dfaaf765dd71a90200cf9 Mon Sep 17 00:00:00 2001
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From: Grant Likely <grant.likely@linaro.org>
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Date: Thu, 19 Dec 2013 09:30:52 -0300
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Subject: [PATCH 181/203] of: Fix dereferencing node name in debug output to be
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safe
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Several locations in the of_address and of_irq code dereference the
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full_name parameter from a device_node pointer without checking if the
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pointer is valid. This patch switches to use of_node_full_name() which
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always checks the pointer.
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Signed-off-by: Grant Likely <grant.likely@linaro.org>
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---
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drivers/of/address.c | 6 +++---
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drivers/of/irq.c | 8 ++++----
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2 files changed, 7 insertions(+), 7 deletions(-)
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--- a/drivers/of/address.c
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+++ b/drivers/of/address.c
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@@ -481,7 +481,7 @@ static u64 __of_translate_address(struct
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int na, ns, pna, pns;
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u64 result = OF_BAD_ADDR;
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- pr_debug("OF: ** translation for device %s **\n", dev->full_name);
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+ pr_debug("OF: ** translation for device %s **\n", of_node_full_name(dev));
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/* Increase refcount at current level */
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of_node_get(dev);
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@@ -496,13 +496,13 @@ static u64 __of_translate_address(struct
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bus->count_cells(dev, &na, &ns);
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if (!OF_CHECK_COUNTS(na, ns)) {
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printk(KERN_ERR "prom_parse: Bad cell count for %s\n",
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- dev->full_name);
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+ of_node_full_name(dev));
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goto bail;
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}
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memcpy(addr, in_addr, na * 4);
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pr_debug("OF: bus is %s (na=%d, ns=%d) on %s\n",
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- bus->name, na, ns, parent->full_name);
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+ bus->name, na, ns, of_node_full_name(parent));
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of_dump_addr("OF: translating address:", addr, na);
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/* Translate */
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--- a/drivers/of/irq.c
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+++ b/drivers/of/irq.c
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@@ -102,7 +102,7 @@ int of_irq_map_raw(struct device_node *p
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int imaplen, match, i;
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pr_debug("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],ointsize=%d\n",
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- parent->full_name, be32_to_cpup(intspec),
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+ of_node_full_name(parent), be32_to_cpup(intspec),
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be32_to_cpup(intspec + 1), ointsize);
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ipar = of_node_get(parent);
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@@ -126,7 +126,7 @@ int of_irq_map_raw(struct device_node *p
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goto fail;
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}
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- pr_debug("of_irq_map_raw: ipar=%s, size=%d\n", ipar->full_name, intsize);
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+ pr_debug("of_irq_map_raw: ipar=%s, size=%d\n", of_node_full_name(ipar), intsize);
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if (ointsize != intsize)
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return -EINVAL;
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@@ -287,7 +287,7 @@ int of_irq_map_one(struct device_node *d
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u32 intsize, intlen;
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int res = -EINVAL;
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- pr_debug("of_irq_map_one: dev=%s, index=%d\n", device->full_name, index);
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+ pr_debug("of_irq_map_one: dev=%s, index=%d\n", of_node_full_name(device), index);
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/* OldWorld mac stuff is "special", handle out of line */
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if (of_irq_workarounds & OF_IMAP_OLDWORLD_MAC)
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@@ -361,7 +361,7 @@ int of_irq_to_resource(struct device_nod
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r->start = r->end = irq;
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r->flags = IORESOURCE_IRQ;
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- r->name = name ? name : dev->full_name;
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+ r->name = name ? name : of_node_full_name(dev);
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}
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return irq;
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