[kernel/f15] bsg: fix sysfs link remove warning (#787862)

[Dave Jones]

commit c93c7e5a024ba4a748cd86bb4d59d96e0aa197fa
Author: Dave Jones <davej at redhat.com>
Date:   Thu Feb 9 15:41:58 2012 -0500

    bsg: fix sysfs link remove warning (#787862)

 bsg-fix-sysfs-link-remove-warning.patch |   16 ++++++++++++++++
 kernel.spec                             |    9 ++++++++-
 2 files changed, 24 insertions(+), 1 deletions(-)
---
diff --git a/bsg-fix-sysfs-link-remove-warning.patch b/bsg-fix-sysfs-link-remove-warning.patch
new file mode 100644
index 0000000..6e76253
--- /dev/null
+++ b/bsg-fix-sysfs-link-remove-warning.patch
@@ -0,0 +1,16 @@
+diff --git a/block/bsg.c b/block/bsg.c
+index 4cf703f..ff64ae3 100644
+--- a/block/bsg.c
++++ b/block/bsg.c
+@@ -983,7 +983,8 @@ 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);
+-- 
+1.7.4.4
diff --git a/kernel.spec b/kernel.spec
index 7f68504..a0d1a18 100644
--- a/kernel.spec
+++ b/kernel.spec
@@ -644,6 +644,8 @@ Patch12016: disable-i8042-check-on-apple-mac.patch
 
 Patch12025: block-readahead-block-plug.patch
 
+Patch12026: bsg-fix-sysfs-link-remove-warning.patch
+
 Patch12030: epoll-limit-paths.patch
 
 Patch12303: dmar-disable-when-ricoh-multifunction.patch
@@ -1248,6 +1250,8 @@ ApplyPatch disable-i8042-check-on-apple-mac.patch
 ApplyPatch epoll-limit-paths.patch
 ApplyPatch block-readahead-block-plug.patch
 
+ApplyPatch bsg-fix-sysfs-link-remove-warning.patch
+
 # rhbz#605888
 ApplyPatch dmar-disable-when-ricoh-multifunction.patch
 
@@ -1946,7 +1950,10 @@ fi
 # and build.
 
 %changelog
-* Wed Feb 08 2012 Josh Boyer <jwboyer at redhat.com>
+* Thu Feb 09 2012 Dave Jones <davej at redhat.com>
+- bsg: fix sysfs link remove warning (#787862)
+
+* Wed Feb 08 2012 Josh Boyer <jwboyer at redhat.com> 2.6.42.3-2.fc15
 - CVE-2011-4086: jbd2: unmapped buffer with _Unwritten or _Delay flags
   set can lead to DoS (rhbz 788260)
 - Drop patch that was NAKd upstream (rhbz 783211)