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author | Keith Busch <keith.busch@intel.com> | 2017-11-16 13:36:50 -0700 |
---|---|---|
committer | Christoph Hellwig <hch@lst.de> | 2017-11-20 08:38:11 +0100 |
commit | 9941a862cc92e448df95709ff40a618964b25e33 (patch) | |
tree | f824393e52adfe70be582725402e374aa2ecac1c /drivers/nvme | |
parent | b0d61d586f09fd814a45a5d778fe0d6123f67c2a (diff) | |
download | linux-stable-9941a862cc92e448df95709ff40a618964b25e33.tar.gz linux-stable-9941a862cc92e448df95709ff40a618964b25e33.tar.bz2 linux-stable-9941a862cc92e448df95709ff40a618964b25e33.zip |
nvme: Suppress static analyis warning
The ns->head is always valid, so we don't need to check for NULL.
Reported-by: Dan Carpenter <dan.caprenter@oracle.com>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
-rw-r--r-- | drivers/nvme/host/core.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index a2ab4e440bea..f837d666cbd4 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -2961,8 +2961,6 @@ static void nvme_alloc_ns(struct nvme_ctrl *ctrl, unsigned nsid) static void nvme_ns_remove(struct nvme_ns *ns) { - struct nvme_ns_head *head = ns->head; - if (test_and_set_bit(NVME_NS_REMOVING, &ns->flags)) return; @@ -2980,15 +2978,14 @@ static void nvme_ns_remove(struct nvme_ns *ns) mutex_lock(&ns->ctrl->subsys->lock); nvme_mpath_clear_current_path(ns); - if (head) - list_del_rcu(&ns->siblings); + list_del_rcu(&ns->siblings); mutex_unlock(&ns->ctrl->subsys->lock); mutex_lock(&ns->ctrl->namespaces_mutex); list_del_init(&ns->list); mutex_unlock(&ns->ctrl->namespaces_mutex); - synchronize_srcu(&head->srcu); + synchronize_srcu(&ns->head->srcu); nvme_put_ns(ns); } |