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authorNaveen N. Rao <naveen.n.rao@linux.vnet.ibm.com>2017-09-22 14:40:43 +0530
committerMichael Ellerman <mpe@ellerman.id.au>2017-10-04 23:42:12 +1100
commit22085337f5b9d7a7adf5c6cc4e007c28e5216a7f (patch)
tree040ed8b5d0e5620b6ebbdb119e678e6544ea779d /arch/powerpc
parentc3dda4b0db9cf5044010e4de88e5e5b94edf916c (diff)
downloadlinux-22085337f5b9d7a7adf5c6cc4e007c28e5216a7f.tar.bz2
powerpc/kprobes: Some cosmetic updates to try_to_emulate()
1. This is only used in kprobes.c, so make it static. 2. Remove the un-necessary (ret == 0) comparison in the else clause. Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org> Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com> Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch/powerpc')
-rw-r--r--arch/powerpc/kernel/kprobes.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/kprobes.c b/arch/powerpc/kernel/kprobes.c
index 367494dc67d9..c2a6ab38a67f 100644
--- a/arch/powerpc/kernel/kprobes.c
+++ b/arch/powerpc/kernel/kprobes.c
@@ -239,7 +239,7 @@ void arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs)
}
NOKPROBE_SYMBOL(arch_prepare_kretprobe);
-int try_to_emulate(struct kprobe *p, struct pt_regs *regs)
+static int try_to_emulate(struct kprobe *p, struct pt_regs *regs)
{
int ret;
unsigned int insn = *p->ainsn.insn;
@@ -261,7 +261,7 @@ int try_to_emulate(struct kprobe *p, struct pt_regs *regs)
*/
printk("Can't step on instruction %x\n", insn);
BUG();
- } else if (ret == 0)
+ } else
/* This instruction can't be boosted */
p->ainsn.boostable = -1;