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author | Dmitry Torokhov <dtor@insightbb.com> | 2006-11-04 22:42:39 -0500 |
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committer | Dmitry Torokhov <dtor@insightbb.com> | 2006-11-04 22:42:39 -0500 |
commit | 752c58a471c108d64da1676b2925dfbd83eb177e (patch) | |
tree | fbffa0d7c54cd812950dffc16d642c9d449f4faf /drivers/base/dmapool.c | |
parent | e52b29c2a637f6854d71a45646d7283d984a6dad (diff) | |
parent | 10b1fbdb0a0ca91847a534ad26d0bc250c25b74f (diff) |
Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'drivers/base/dmapool.c')
-rw-r--r-- | drivers/base/dmapool.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/base/dmapool.c b/drivers/base/dmapool.c index 33c5cce1560b..b2efbd4cf710 100644 --- a/drivers/base/dmapool.c +++ b/drivers/base/dmapool.c @@ -141,11 +141,20 @@ dma_pool_create (const char *name, struct device *dev, init_waitqueue_head (&retval->waitq); if (dev) { + int ret; + down (&pools_lock); if (list_empty (&dev->dma_pools)) - device_create_file (dev, &dev_attr_pools); + ret = device_create_file (dev, &dev_attr_pools); + else + ret = 0; /* note: not currently insisting "name" be unique */ - list_add (&retval->pools, &dev->dma_pools); + if (!ret) + list_add (&retval->pools, &dev->dma_pools); + else { + kfree(retval); + retval = NULL; + } up (&pools_lock); } else INIT_LIST_HEAD (&retval->pools); |