diff options
Diffstat (limited to 'arch/riscv/kernel/perf_callchain.c')
| -rw-r--r-- | arch/riscv/kernel/perf_callchain.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/riscv/kernel/perf_callchain.c b/arch/riscv/kernel/perf_callchain.c index 8ecfc4c128bc..357f985041cb 100644 --- a/arch/riscv/kernel/perf_callchain.c +++ b/arch/riscv/kernel/perf_callchain.c @@ -15,8 +15,8 @@ static unsigned long user_backtrace(struct perf_callchain_entry_ctx *entry, { struct stackframe buftail; unsigned long ra = 0; - unsigned long *user_frame_tail = - (unsigned long *)(fp - sizeof(struct stackframe)); + unsigned long __user *user_frame_tail = + (unsigned long __user *)(fp - sizeof(struct stackframe)); /* Check accessibility of one struct frame_tail beyond */ if (!access_ok(user_frame_tail, sizeof(buftail))) @@ -73,7 +73,7 @@ void perf_callchain_user(struct perf_callchain_entry_ctx *entry, static bool fill_callchain(void *entry, unsigned long pc) { - return perf_callchain_store(entry, pc); + return perf_callchain_store(entry, pc) == 0; } void perf_callchain_kernel(struct perf_callchain_entry_ctx *entry, |