| From | Greg Kroah-Hartman <> | Subject | [PATCH 4.1 56/65] genirq: devres: Fix testing return value of request_any_context_irq() | Date | Sun, 19 Jul 2015 12:08:15 -0700 |
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4.1-stable review patch. If anyone has any objections, please let me know.
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From: Axel Lin <axel.lin@ingics.com>
commit 63781394c540dd9e666a6b21d70b64dd52bce76e upstream.
request_any_context_irq() returns a negative value on failure. It returns either IRQC_IS_HARDIRQ or IRQC_IS_NESTED on success. So fix testing return value of request_any_context_irq().
Also fixup the return value of devm_request_any_context_irq() to make it consistent with request_any_context_irq().
Fixes: 0668d3065128 ("genirq: Add devm_request_any_context_irq()") Signed-off-by: Axel Lin <axel.lin@ingics.com> Reviewed-by: Stephen Boyd <sboyd@codeaurora.org> Link: http://lkml.kernel.org/r/1431334978.17783.4.camel@ingics.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- kernel/irq/devres.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
--- a/kernel/irq/devres.c +++ b/kernel/irq/devres.c @@ -104,7 +104,7 @@ int devm_request_any_context_irq(struct return -ENOMEM; rc = request_any_context_irq(irq, handler, irqflags, devname, dev_id); - if (rc) { + if (rc < 0) { devres_free(dr); return rc; } @@ -113,7 +113,7 @@ int devm_request_any_context_irq(struct dr->dev_id = dev_id; devres_add(dev, dr); - return 0; + return rc; } EXPORT_SYMBOL(devm_request_any_context_irq);
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