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authorAlexey Dobriyan <adobriyan@sw.ru>2007-05-08 03:28:41 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 14:15:08 -0400
commitffb45122766db220d0bf3d01848d575fbbcb6430 (patch)
treea8fedf0518407ad12578a7c03aa2c3344f11ff3c /kernel/kprobes.c
parentea07890a680273b25127129fb555aac0d9324bea (diff)
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)
868 struct kprobe *p, *kp; 868 struct kprobe *p, *kp;
869 const char *sym = NULL; 869 const char *sym = NULL;
870 unsigned int i = *(loff_t *) v; 870 unsigned int i = *(loff_t *) v;
871 unsigned long size, offset = 0; 871 unsigned long offset = 0;
872 char *modname, namebuf[128]; 872 char *modname, namebuf[128];
873 873
874 head = &kprobe_table[i]; 874 head = &kprobe_table[i];
875 preempt_disable(); 875 preempt_disable();
876 hlist_for_each_entry_rcu(p, node, head, hlist) { 876 hlist_for_each_entry_rcu(p, node, head, hlist) {
877 sym = kallsyms_lookup((unsigned long)p->addr, &size, 877 sym = kallsyms_lookup((unsigned long)p->addr, NULL,
878 &offset, &modname, namebuf); 878 &offset, &modname, namebuf);
879 if (p->pre_handler == aggr_pre_handler) { 879 if (p->pre_handler == aggr_pre_handler) {
880 list_for_each_entry_rcu(kp, &p->list, list) 880 list_for_each_entry_rcu(kp, &p->list, list)