From: Ananth N Mavinakayanahalli <ana...@in.ibm.com>
Refuse to place a uprobe if a trap variant already exists in the
file copy at the address.
Signed-off-by: Ananth N Mavinakayanahalli <ana...@in.ibm.com>
---
kernel/events/uprobes.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
Index: linux-3.9-rc3/kernel/events/uprobes.c
===================================================================
--- linux-3.9-rc3.orig/kernel/events/uprobes.c
+++ linux-3.9-rc3/kernel/events/uprobes.c
@@ -573,7 +573,7 @@ static int prepare_uprobe(struct uprobe
goto out;
ret = -ENOTSUPP;
- if (is_swbp_insn((uprobe_opcode_t *)uprobe->arch.insn))
+ if (is_trap_insn((uprobe_opcode_t *)uprobe->arch.insn))
goto out;
ret = arch_uprobe_analyze_insn(&uprobe->arch, mm, vaddr);
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