diff options
Diffstat (limited to 'scripts/coccinelle/misc/irqf_oneshot.cocci')
| -rw-r--r-- | scripts/coccinelle/misc/irqf_oneshot.cocci | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/scripts/coccinelle/misc/irqf_oneshot.cocci b/scripts/coccinelle/misc/irqf_oneshot.cocci new file mode 100644 index 000000000..a24a754ae --- /dev/null +++ b/scripts/coccinelle/misc/irqf_oneshot.cocci @@ -0,0 +1,89 @@ +/// Make sure threaded IRQs without a primary handler are always request with +/// IRQF_ONESHOT +/// +// +// Confidence: Good +// Comments: +// Options: --no-includes + +virtual patch +virtual context +virtual org +virtual report + +@r1@ +expression dev; +expression irq; +expression thread_fn; +expression flags; +position p; +@@ +( +request_threaded_irq@p(irq, NULL, thread_fn, +( +flags | IRQF_ONESHOT +| +IRQF_ONESHOT +) +, ...) +| +devm_request_threaded_irq@p(dev, irq, NULL, thread_fn, +( +flags | IRQF_ONESHOT +| +IRQF_ONESHOT +) +, ...) +) + +@depends on patch@ +expression dev; +expression irq; +expression thread_fn; +expression flags; +position p != r1.p; +@@ +( +request_threaded_irq@p(irq, NULL, thread_fn, +( +-0 ++IRQF_ONESHOT +| +-flags ++flags | IRQF_ONESHOT +) +, ...) +| +devm_request_threaded_irq@p(dev, irq, NULL, thread_fn, +( +-0 ++IRQF_ONESHOT +| +-flags ++flags | IRQF_ONESHOT +) +, ...) +) + +@depends on context@ +position p != r1.p; +@@ +*request_threaded_irq@p(...) + +@match depends on report || org@ +expression irq; +position p != r1.p; +@@ +request_threaded_irq@p(irq, NULL, ...) + +@script:python depends on org@ +p << match.p; +@@ +msg = "ERROR: Threaded IRQ with no primary handler requested without IRQF_ONESHOT" +coccilib.org.print_todo(p[0],msg) + +@script:python depends on report@ +p << match.p; +@@ +msg = "ERROR: Threaded IRQ with no primary handler requested without IRQF_ONESHOT" +coccilib.report.print_report(p[0],msg) |