kprobes: use hlist_for_each_entry
Signed-off-by: Christoph Hellwig <hch@lst.de> Cc: Prasanna S Panchamukhi <prasanna@in.ibm.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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41ac8df9d5
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b0bb501651
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@ -134,8 +134,7 @@ kprobe_opcode_t __kprobes *get_insn_slot(void)
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struct hlist_node *pos;
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retry:
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hlist_for_each(pos, &kprobe_insn_pages) {
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kip = hlist_entry(pos, struct kprobe_insn_page, hlist);
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hlist_for_each_entry(kip, pos, &kprobe_insn_pages, hlist) {
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if (kip->nused < INSNS_PER_PAGE) {
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int i;
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for (i = 0; i < INSNS_PER_PAGE; i++) {
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@ -214,9 +213,8 @@ static int __kprobes collect_garbage_slots(void)
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if (check_safety() != 0)
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return -EAGAIN;
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hlist_for_each_safe(pos, next, &kprobe_insn_pages) {
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hlist_for_each_entry_safe(kip, pos, next, &kprobe_insn_pages, hlist) {
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int i;
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kip = hlist_entry(pos, struct kprobe_insn_page, hlist);
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if (kip->ngarbage == 0)
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continue;
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kip->ngarbage = 0; /* we will collect all garbages */
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@ -235,8 +233,7 @@ void __kprobes free_insn_slot(kprobe_opcode_t * slot, int dirty)
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struct kprobe_insn_page *kip;
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struct hlist_node *pos;
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hlist_for_each(pos, &kprobe_insn_pages) {
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kip = hlist_entry(pos, struct kprobe_insn_page, hlist);
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hlist_for_each_entry(kip, pos, &kprobe_insn_pages, hlist) {
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if (kip->insns <= slot &&
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slot < kip->insns + (INSNS_PER_PAGE * MAX_INSN_SIZE)) {
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int i = (slot - kip->insns) / MAX_INSN_SIZE;
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