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[01/54] tracing: Remove redundant unread variable ret
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diff --git a/kernel/trace/ring_buffer.c b/kernel/trace/ring_buffer.c index 5c4dc1c1..e3769d3c 100644 --- a/kernel/trace/ring_buffer.c +++ b/kernel/trace/ring_buffer.c @@ -2585,18 +2585,17 @@ trace_recursive_lock(struct ring_buffer_per_cpu *cpu_buffer) unsigned int val = cpu_buffer->current_context; unsigned long pc = preempt_count(); int bit; if (!(pc & (NMI_MASK | HARDIRQ_MASK | SOFTIRQ_OFFSET))) bit = RB_CTX_NORMAL; else bit = pc & NMI_MASK ? RB_CTX_NMI : - pc & HARDIRQ_MASK ? RB_CTX_IRQ : - pc & SOFTIRQ_OFFSET ? 2 : RB_CTX_SOFTIRQ; + pc & HARDIRQ_MASK ? RB_CTX_IRQ : RB_CTX_SOFTIRQ; if (unlikely(val & (1 << bit))) return 1; val |= (1 << bit); cpu_buffer->current_context = val; return 0;