1 files changed, 58 insertions, 0 deletions

diff --git a/recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.10/0047-bsg-fix-sysfs-link-remove-warning.patch b/recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.10/0047-bsg-fix-sysfs-link-remove-warning.patch
new file mode 100644
index 00000000..fbb6e9cd
--- /dev/null
+++ b/recipes-kernel/linux/linux-ti33x-psp-3.2/3.2.10/0047-bsg-fix-sysfs-link-remove-warning.patch
@@ -0,0 +1,58 @@
+From 5edb7ce56b7a8c2332fdce83ddbb208aba2ea484 Mon Sep 17 00:00:00 2001
+From: Stanislaw Gruszka <sgruszka@redhat.com>
+Date: Wed, 8 Feb 2012 20:02:03 +0100
+Subject: [PATCH 47/95] bsg: fix sysfs link remove warning
+
+commit 37b40adf2d1b4a5e51323be73ccf8ddcf3f15dd3 upstream.
+
+We create "bsg" link if q->kobj.sd is not NULL, so remove it only
+when the same condition is true.
+
+Fixes:
+
+WARNING: at fs/sysfs/inode.c:323 sysfs_hash_and_remove+0x2b/0x77()
+sysfs: can not remove 'bsg', no directory
+Call Trace:
+  [<c0429683>] warn_slowpath_common+0x6a/0x7f
+  [<c0537a68>] ? sysfs_hash_and_remove+0x2b/0x77
+  [<c042970b>] warn_slowpath_fmt+0x2b/0x2f
+  [<c0537a68>] sysfs_hash_and_remove+0x2b/0x77
+  [<c053969a>] sysfs_remove_link+0x20/0x23
+  [<c05d88f1>] bsg_unregister_queue+0x40/0x6d
+  [<c0692263>] __scsi_remove_device+0x31/0x9d
+  [<c069149f>] scsi_forget_host+0x41/0x52
+  [<c0689fa9>] scsi_remove_host+0x71/0xe0
+  [<f7de5945>] quiesce_and_remove_host+0x51/0x83 [usb_storage]
+  [<f7de5a1e>] usb_stor_disconnect+0x18/0x22 [usb_storage]
+  [<c06c29de>] usb_unbind_interface+0x4e/0x109
+  [<c067a80f>] __device_release_driver+0x6b/0xa6
+  [<c067a861>] device_release_driver+0x17/0x22
+  [<c067a46a>] bus_remove_device+0xd6/0xe6
+  [<c06785e2>] device_del+0xf2/0x137
+  [<c06c101f>] usb_disable_device+0x94/0x1a0
+
+Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
+Signed-off-by: Jens Axboe <axboe@kernel.dk>
+Signed-off-by: Tim Gardner <tim.gardner@canonical.com>
+Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
+---
+ block/bsg.c |    3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/block/bsg.c b/block/bsg.c
+index 702f131..c0ab25c 100644
+--- a/block/bsg.c
++++ b/block/bsg.c
+@@ -985,7 +985,8 @@ void bsg_unregister_queue(struct request_queue *q)
+ 
+        mutex_lock(&bsg_mutex);
+        idr_remove(&bsg_minor_idr, bcd->minor);
+-       sysfs_remove_link(&q->kobj, "bsg");
++       if (q->kobj.sd)
++               sysfs_remove_link(&q->kobj, "bsg");
+        device_unregister(bcd->class_dev);
+        bcd->class_dev = NULL;
+        kref_put(&bcd->ref, bsg_kref_release_function);
+-- 
+1.7.9.4
+