This is a note to let you know that I've just added the patch titled
genirq: devres: Fix testing return value of request_any_context_irq()
to the 4.1-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
genirq-devres-fix-testing-return-value-of-request_any_context_irq.patch
and it can be found in the queue-4.1 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From 63781394c540dd9e666a6b21d70b64dd52bce76e Mon Sep 17 00:00:00 2001
From: Axel Lin <axel.lin@xxxxxxxxxx>
Date: Mon, 11 May 2015 17:02:58 +0800
Subject: genirq: devres: Fix testing return value of request_any_context_irq()
From: Axel Lin <axel.lin@xxxxxxxxxx>
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@xxxxxxxxxx>
Reviewed-by: Stephen Boyd <sboyd@xxxxxxxxxxxxxx>
Link: http://lkml.kernel.org/r/1431334978.17783.4.camel@xxxxxxxxxx
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
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);
Patches currently in stable-queue which might be from axel.lin@xxxxxxxxxx are
queue-4.1/genirq-devres-fix-testing-return-value-of-request_any_context_irq.patch
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