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authorAlexey Dobriyan <adobriyan@sw.ru>2007-05-08 00:28:41 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:15:08 -0700
commitffb45122766db220d0bf3d01848d575fbbcb6430 (patch)
treea8fedf0518407ad12578a7c03aa2c3344f11ff3c /kernel/kprobes.c
parentea07890a680273b25127129fb555aac0d9324bea (diff)
downloadlinux-ffb45122766db220d0bf3d01848d575fbbcb6430.tar.gz
Simplify kallsyms_lookup()
Several kallsyms_lookup() pass dummy arguments but only need, say, module's
name.  Make kallsyms_lookup() accept NULLs where possible.

Also, makes picture clearer about what interfaces are needed for all symbol
resolving business.

Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Cc: Rusty Russell <rusty@rustcorp.com.au>
Acked-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/kprobes.c')
-rw-r--r--kernel/kprobes.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 0207045b4f6f..bee29bde6adf 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -868,13 +868,13 @@ static int __kprobes show_kprobe_addr(struct seq_file *pi, void *v)
 	struct kprobe *p, *kp;
 	const char *sym = NULL;
 	unsigned int i = *(loff_t *) v;
-	unsigned long size, offset = 0;
+	unsigned long offset = 0;
 	char *modname, namebuf[128];
 
 	head = &kprobe_table[i];
 	preempt_disable();
 	hlist_for_each_entry_rcu(p, node, head, hlist) {
-		sym = kallsyms_lookup((unsigned long)p->addr, &size,
+		sym = kallsyms_lookup((unsigned long)p->addr, NULL,
 					&offset, &modname, namebuf);
 		if (p->pre_handler == aggr_pre_handler) {
 			list_for_each_entry_rcu(kp, &p->list, list)