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Koen Kooi
ebbeb55561
Also add script used to generate patches and SRC_URI Signed-off-by: Koen Kooi <koen@dominion.thruhere.net> Signed-off-by: Denys Dmytriyenko <denys@ti.com>
59 lines
2.0 KiB
Diff
59 lines
2.0 KiB
Diff
From 5edb7ce56b7a8c2332fdce83ddbb208aba2ea484 Mon Sep 17 00:00:00 2001
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From: Stanislaw Gruszka <sgruszka@redhat.com>
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Date: Wed, 8 Feb 2012 20:02:03 +0100
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Subject: [PATCH 47/95] bsg: fix sysfs link remove warning
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commit 37b40adf2d1b4a5e51323be73ccf8ddcf3f15dd3 upstream.
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We create "bsg" link if q->kobj.sd is not NULL, so remove it only
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when the same condition is true.
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Fixes:
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WARNING: at fs/sysfs/inode.c:323 sysfs_hash_and_remove+0x2b/0x77()
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sysfs: can not remove 'bsg', no directory
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Call Trace:
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[<c0429683>] warn_slowpath_common+0x6a/0x7f
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[<c0537a68>] ? sysfs_hash_and_remove+0x2b/0x77
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[<c042970b>] warn_slowpath_fmt+0x2b/0x2f
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[<c0537a68>] sysfs_hash_and_remove+0x2b/0x77
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[<c053969a>] sysfs_remove_link+0x20/0x23
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[<c05d88f1>] bsg_unregister_queue+0x40/0x6d
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[<c0692263>] __scsi_remove_device+0x31/0x9d
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[<c069149f>] scsi_forget_host+0x41/0x52
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[<c0689fa9>] scsi_remove_host+0x71/0xe0
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[<f7de5945>] quiesce_and_remove_host+0x51/0x83 [usb_storage]
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[<f7de5a1e>] usb_stor_disconnect+0x18/0x22 [usb_storage]
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[<c06c29de>] usb_unbind_interface+0x4e/0x109
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[<c067a80f>] __device_release_driver+0x6b/0xa6
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[<c067a861>] device_release_driver+0x17/0x22
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[<c067a46a>] bus_remove_device+0xd6/0xe6
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[<c06785e2>] device_del+0xf2/0x137
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[<c06c101f>] usb_disable_device+0x94/0x1a0
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Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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---
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block/bsg.c | 3 ++-
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1 file changed, 2 insertions(+), 1 deletion(-)
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diff --git a/block/bsg.c b/block/bsg.c
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index 702f131..c0ab25c 100644
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--- a/block/bsg.c
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+++ b/block/bsg.c
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@@ -985,7 +985,8 @@ void bsg_unregister_queue(struct request_queue *q)
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mutex_lock(&bsg_mutex);
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idr_remove(&bsg_minor_idr, bcd->minor);
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- sysfs_remove_link(&q->kobj, "bsg");
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+ if (q->kobj.sd)
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+ sysfs_remove_link(&q->kobj, "bsg");
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device_unregister(bcd->class_dev);
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bcd->class_dev = NULL;
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kref_put(&bcd->ref, bsg_kref_release_function);
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--
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1.7.9.4
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