Hi Jens,
On Wed, Aug 24, 2005 at 11:28:39AM +0200, Jens Axboe wrote:
> Patch attached is against 2.6.13-rc6-mm2. Still a good idea to apply the
> relayfs read update from the previous mail [*] as well.
There's a small memory leak there on one of the start-tracing
error paths (relay_open failure)... this should plug it up.
cheers.
--
Nathan
Index: 2.6.x-xfs/drivers/block/blktrace.c
===================================================================
--- 2.6.x-xfs.orig/drivers/block/blktrace.c
+++ 2.6.x-xfs/drivers/block/blktrace.c
@@ -73,9 +73,9 @@ int blk_start_trace(struct block_device
{
request_queue_t *q = bdev_get_queue(bdev);
struct blk_user_trace_setup buts;
- struct blk_trace *bt;
+ struct blk_trace *bt = NULL;
char b[BDEVNAME_SIZE];
- int ret = 0;
+ int ret;
if (!q)
return -ENXIO;
@@ -116,9 +116,14 @@ int blk_start_trace(struct block_device
spin_lock_irq(q->queue_lock);
q->blk_trace = bt;
spin_unlock_irq(q->queue_lock);
- ret = 0;
+
+ up(&bdev->bd_sem);
+ return 0;
+
err:
up(&bdev->bd_sem);
+ if (bt)
+ kfree(bt);
return ret;
}
-
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