From: "Rantala, Tommi T. (Nokia - FI/Espoo)" <tommi.t.rantala@nokia.com>
To: "stable@vger.kernel.org" <stable@vger.kernel.org>
Cc: "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
Xiubo Li <xiubli@redhat.com>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rantala,
Tommi T. (Nokia - FI/Espoo)" <tommi.t.rantala@nokia.com>
Subject: [PATCH 4.14 3/8] uio: use request_threaded_irq instead
Date: Wed, 13 Feb 2019 16:29:31 +0000 [thread overview]
Message-ID: <20190213162845.11688-4-tommi.t.rantala@nokia.com> (raw)
In-Reply-To: <20190213162845.11688-1-tommi.t.rantala@nokia.com>
From: Xiubo Li <xiubli@redhat.com>
commit 9421e45f5ff3d558cf8b75a8cc0824530caf3453 upstream.
Prepraing for changing to use mutex lock.
Signed-off-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Tommi Rantala <tommi.t.rantala@nokia.com>
---
drivers/uio/uio.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/uio/uio.c b/drivers/uio/uio.c
index 288c4b977184..c97945a3f572 100644
--- a/drivers/uio/uio.c
+++ b/drivers/uio/uio.c
@@ -911,8 +911,9 @@ int __uio_register_device(struct module *owner,
* FDs at the time of unregister and therefore may not be
* freed until they are released.
*/
- ret = request_irq(info->irq, uio_interrupt,
- info->irq_flags, info->name, idev);
+ ret = request_threaded_irq(info->irq, NULL, uio_interrupt,
+ info->irq_flags, info->name, idev);
+
if (ret) {
info->uio_dev = NULL;
goto err_request_irq;
--
2.20.1
next prev parent reply other threads:[~2019-02-13 16:29 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-13 16:29 [PATCH 4.14 0/8] uio backport fixes for 4.14 Rantala, Tommi T. (Nokia - FI/Espoo)
2019-02-13 16:29 ` [PATCH 4.14 1/8] uio: Reduce return paths from uio_write() Rantala, Tommi T. (Nokia - FI/Espoo)
2019-02-13 16:29 ` [PATCH 4.14 2/8] uio: Prevent device destruction while fds are open Rantala, Tommi T. (Nokia - FI/Espoo)
2019-02-13 16:29 ` Rantala, Tommi T. (Nokia - FI/Espoo) [this message]
2019-02-13 16:29 ` [PATCH 4.14 4/8] uio: change to use the mutex lock instead of the spin lock Rantala, Tommi T. (Nokia - FI/Espoo)
2019-02-13 16:29 ` [PATCH 4.14 5/8] uio: fix crash after the device is unregistered Rantala, Tommi T. (Nokia - FI/Espoo)
2019-02-13 16:29 ` [PATCH 4.14 6/8] uio: fix wrong return value from uio_mmap() Rantala, Tommi T. (Nokia - FI/Espoo)
2019-02-13 16:29 ` [PATCH 4.14 7/8] uio: fix possible circular locking dependency Rantala, Tommi T. (Nokia - FI/Espoo)
2019-02-13 16:29 ` [PATCH 4.14 8/8] Revert "uio: use request_threaded_irq instead" Rantala, Tommi T. (Nokia - FI/Espoo)
2019-02-13 18:36 ` [PATCH 4.14 0/8] uio backport fixes for 4.14 Greg KH
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