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113 lines
2.0 KiB
113 lines
2.0 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/// Since commit 1c6c69525b40 ("genirq: Reject bogus threaded irq requests") |
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/// threaded IRQs without a primary handler need to be requested with |
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/// IRQF_ONESHOT, otherwise the request will fail. |
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/// |
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/// So pass the IRQF_ONESHOT flag in this case. |
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/// |
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// |
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// Confidence: Moderate |
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// Comments: |
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// Options: --no-includes |
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virtual patch |
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virtual context |
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virtual org |
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virtual report |
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@r1@ |
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expression dev, irq, thread_fn; |
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position p; |
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@@ |
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( |
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request_threaded_irq@p(irq, NULL, thread_fn, |
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( |
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IRQF_ONESHOT | ... |
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IRQF_ONESHOT |
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) |
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, ...) |
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devm_request_threaded_irq@p(dev, irq, NULL, thread_fn, |
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( |
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IRQF_ONESHOT | ... |
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IRQF_ONESHOT |
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) |
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, ...) |
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) |
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@r2@ |
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expression dev, irq, thread_fn, flags, e; |
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position p != r1.p; |
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@@ |
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( |
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flags = IRQF_ONESHOT | ... |
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flags |= IRQF_ONESHOT | ... |
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) |
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... when != flags = e |
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( |
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request_threaded_irq@p(irq, NULL, thread_fn, flags, ...); |
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devm_request_threaded_irq@p(dev, irq, NULL, thread_fn, flags, ...); |
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) |
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@depends on patch@ |
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expression dev, irq, thread_fn, flags; |
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position p != {r1.p,r2.p}; |
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@@ |
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( |
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request_threaded_irq@p(irq, NULL, thread_fn, |
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( |
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-0 |
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+IRQF_ONESHOT |
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-flags |
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+flags | IRQF_ONESHOT |
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) |
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, ...) |
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devm_request_threaded_irq@p(dev, irq, NULL, thread_fn, |
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( |
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-0 |
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+IRQF_ONESHOT |
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-flags |
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+flags | IRQF_ONESHOT |
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) |
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, ...) |
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) |
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@depends on context@ |
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expression dev, irq; |
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position p != {r1.p,r2.p}; |
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@@ |
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( |
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*request_threaded_irq@p(irq, NULL, ...) |
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*devm_request_threaded_irq@p(dev, irq, NULL, ...) |
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) |
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@match depends on report || org@ |
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expression dev, irq; |
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position p != {r1.p,r2.p}; |
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@@ |
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( |
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request_threaded_irq@p(irq, NULL, ...) |
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devm_request_threaded_irq@p(dev, irq, NULL, ...) |
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) |
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@script:python depends on org@ |
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p << match.p; |
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@@ |
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msg = "WARNING: Threaded IRQ with no primary handler requested without IRQF_ONESHOT (unless it is nested IRQ)" |
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coccilib.org.print_todo(p[0],msg) |
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@script:python depends on report@ |
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p << match.p; |
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@@ |
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msg = "WARNING: Threaded IRQ with no primary handler requested without IRQF_ONESHOT (unless it is nested IRQ)" |
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coccilib.report.print_report(p[0],msg)
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