uprobes/powerpc: Remove additional trap instruction check

prepare_uprobe() already checks if the underlying unstruction
(on file) is a trap variant. We don't need to check this again.

Signed-off-by: Ananth N Mavinakayanahalli <ananth@in.ibm.com>
Acked-by: Srikar Dronamraju <srikar@linux.vnet.ibm.com>
Signed-off-by: Oleg Nesterov <oleg@redhat.com>

1 files changed, 0 insertions, 6 deletions

diff --git a/arch/powerpc/kernel/uprobes.c b/arch/powerpc/kernel/uprobes.c
index cb7f63da140c..2ecdbe304f46 100644
--- a/arch/powerpc/kernel/uprobes.c
+++ b/arch/powerpc/kernel/uprobes.c
@@ -53,12 +53,6 @@ int arch_uprobe_analyze_insn(struct arch_uprobe *auprobe,
         if (addr & 0x03)
                 return -EINVAL;
 
-        /*
-         * We currently don't support a uprobe on an already
-         * existing breakpoint instruction underneath
-         */
-        if (is_trap(auprobe->ainsn))
-                return -ENOTSUPP;
         return 0;
 }