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-rw-r--r--arch/powerpc/perf/core-book3s.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/perf/core-book3s.c b/arch/powerpc/perf/core-book3s.c
index 13b9dd5e4a76..cd6a742ac6ef 100644
--- a/arch/powerpc/perf/core-book3s.c
+++ b/arch/powerpc/perf/core-book3s.c
@@ -418,14 +418,16 @@ static __u64 power_pmu_bhrb_to(u64 addr)
__u64 target;
if (is_kernel_addr(addr)) {
- if (probe_kernel_read(&instr, (void *)addr, sizeof(instr)))
+ if (copy_from_kernel_nofault(&instr, (void *)addr,
+ sizeof(instr)))
return 0;
return branch_target((struct ppc_inst *)&instr);
}
/* Userspace: need copy instruction here then translate it */
- if (probe_user_read(&instr, (unsigned int __user *)addr, sizeof(instr)))
+ if (copy_from_user_nofault(&instr, (unsigned int __user *)addr,
+ sizeof(instr)))
return 0;
target = branch_target((struct ppc_inst *)&instr);