[PATCH -tip v2 4/7] kprobes: Replace %p with other pointer types

[Masami Hiramatsu]

Replace %p with appropriate pointer types (or just remove it)
 - Use %pS if possible
 - Use %px only for the function right before BUG().
 - Remove unneeded error message.

Signed-off-by: Masami Hiramatsu <mhiramat@xxxxxxxxxx>
---
 Changes in v2:
  - Rebased on linux-next
---
 kernel/kprobes.c |   18 +++++++++---------
 1 file changed, 9 insertions(+), 9 deletions(-)

diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 94af7c99cf81..58f9e313cf08 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -712,7 +712,7 @@ static void reuse_unused_kprobe(struct kprobe *ap)
 	op = container_of(ap, struct optimized_kprobe, kp);
 	if (unlikely(list_empty(&op->list)))
 		printk(KERN_WARNING "Warning: found a stray unused "
-			"aggrprobe@%p\n", ap->addr);
+			"aggrprobe@%pS\n", ap->addr);
 	/* Enable the probe again */
 	ap->flags &= ~KPROBE_FLAG_DISABLED;
 	/* Optimize it again (remove from op->list) */
@@ -985,7 +985,8 @@ static int arm_kprobe_ftrace(struct kprobe *p)
 	ret = ftrace_set_filter_ip(&kprobe_ftrace_ops,
 				   (unsigned long)p->addr, 0, 0);
 	if (ret) {
-		pr_debug("Failed to arm kprobe-ftrace at %p (%d)\n", p->addr, ret);
+		pr_debug("Failed to arm kprobe-ftrace at %pS (%d)\n",
+			 p->addr, ret);
 		return ret;
 	}
 
@@ -1025,7 +1026,8 @@ static int disarm_kprobe_ftrace(struct kprobe *p)
 
 	ret = ftrace_set_filter_ip(&kprobe_ftrace_ops,
 			   (unsigned long)p->addr, 1, 0);
-	WARN(ret < 0, "Failed to disarm kprobe-ftrace at %p (%d)\n", p->addr, ret);
+	WARN(ret < 0, "Failed to disarm kprobe-ftrace at %pS (%d)\n",
+	     p->addr, ret);
 	return ret;
 }
 #else	/* !CONFIG_KPROBES_ON_FTRACE */
@@ -2169,10 +2171,11 @@ int enable_kprobe(struct kprobe *kp)
 }
 EXPORT_SYMBOL_GPL(enable_kprobe);
 
+/* Caller must NOT call this in usual path. This is only for critical case */
 void dump_kprobe(struct kprobe *kp)
 {
-	printk(KERN_WARNING "Dumping kprobe:\n");
-	printk(KERN_WARNING "Name: %s\nAddress: %p\nOffset: %x\n",
+	pr_err("Dumping kprobe:\n");
+	pr_err("Name: %s\nAddress: %px\nOffset: %x\n",
 	       kp->symbol_name, kp->addr, kp->offset);
 }
 NOKPROBE_SYMBOL(dump_kprobe);
@@ -2196,11 +2199,8 @@ static int __init populate_kprobe_blacklist(unsigned long *start,
 		entry = arch_deref_entry_point((void *)*iter);
 
 		if (!kernel_text_address(entry) ||
-		    !kallsyms_lookup_size_offset(entry, &size, &offset)) {
-			pr_err("Failed to find blacklist at %p\n",
-				(void *)entry);
+		    !kallsyms_lookup_size_offset(entry, &size, &offset))
 			continue;
-		}
 
 		ent = kmalloc(sizeof(*ent), GFP_KERNEL);
 		if (!ent)