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| author | Wei Yongjun <yongjun_wei@trendmicro.com.cn> | 2012-08-27 12:28:57 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2012-10-30 08:36:27 +0100 |
| commit | 654dbef2146d6bc56886495d44b661148f016e62 (patch) | |
| tree | ca75a996359fd076be64e1c67939c2bdfed00590 | |
| parent | dbd4713348b6b7e4ce707060d1b92a457ab2e5fb (diff) | |
| download | op-kernel-dev-654dbef2146d6bc56886495d44b661148f016e62.zip op-kernel-dev-654dbef2146d6bc56886495d44b661148f016e62.tar.gz | |
xen/blkback: use kmem_cache_zalloc instead of kmem_cache_alloc/memset
Using kmem_cache_zalloc() instead of kmem_cache_alloc() and memset().
spatch with a semantic match is used to found this problem.
(http://coccinelle.lip6.fr/)
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
| -rw-r--r-- | drivers/block/xen-blkback/xenbus.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/block/xen-blkback/xenbus.c b/drivers/block/xen-blkback/xenbus.c index d0fed55..f58434c 100644 --- a/drivers/block/xen-blkback/xenbus.c +++ b/drivers/block/xen-blkback/xenbus.c @@ -105,11 +105,10 @@ static struct xen_blkif *xen_blkif_alloc(domid_t domid) { struct xen_blkif *blkif; - blkif = kmem_cache_alloc(xen_blkif_cachep, GFP_KERNEL); + blkif = kmem_cache_zalloc(xen_blkif_cachep, GFP_KERNEL); if (!blkif) return ERR_PTR(-ENOMEM); - memset(blkif, 0, sizeof(*blkif)); blkif->domid = domid; spin_lock_init(&blkif->blk_ring_lock); atomic_set(&blkif->refcnt, 1); |
