[PATCH 4/5] rsxx: Removing IDA on driver unload.

[Philip J. Kelleher]

From: Philip J Kelleher <pjk1939@xxxxxxxxxxxxxxxxxx>

The rsxx driver was not releasing the IDA entry during
driver unload. This would be a big problem on a DLPAR
remove where the card is remove from the LPAR but the
driver is still loaded. This patch fixes that issue.

Signed-off-by: Philip J Kelleher <pjk1939@xxxxxxxxxxxxxxxxxx>
-------------------------------------------------------------------------------


 
diff -uprN -X linux-block-vanilla/Documentation/dontdiff linux-block-vanilla/drivers/block/rsxx/core.c linux-block/drivers/block/rsxx/core.c
--- linux-block-vanilla/drivers/block/rsxx/core.c	2013-08-12 15:30:57.959857895 -0500
+++ linux-block/drivers/block/rsxx/core.c	2013-08-12 15:31:12.833861866 -0500
@@ -1101,6 +1101,10 @@ static void rsxx_pci_remove(struct pci_d
 	pci_disable_device(dev);
 	pci_release_regions(dev);
 
+	spin_lock(&rsxx_ida_lock);
+	ida_remove(&rsxx_disk_ida, card->disk_id);
+	spin_unlock(&rsxx_ida_lock);
+
 	kfree(card);
 }
 

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