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| author |   Ira Weiny <ira.weiny@intel.com> | 2016-07-28 12:27:35 -0400 |
|---|---|---|
| committer |   Doug Ledford <dledford@redhat.com> | 2016-08-02 22:46:21 -0400 |
| commit | ea3a0ee52db0c2ec8d1d0ecdd21e650e6e183085 (patch) | |
| tree | 05fdcce1e468620f2792c7b7ea6f2aff14544ac5 /drivers/infiniband/hw/hfi1 | |
| parent | IB/hfi1: Make iovec loop index easy to understand (diff) | |
| download | linux-dev-ea3a0ee52db0c2ec8d1d0ecdd21e650e6e183085.tar.xz linux-dev-ea3a0ee52db0c2ec8d1d0ecdd21e650e6e183085.zip | |
IB/hfi1: Restructure hfi1_file_open
Rearrange the file open call in prep for new changes.
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/hfi1')
| -rw-r--r-- | drivers/infiniband/hw/hfi1/file_ops.c | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/drivers/infiniband/hw/hfi1/file_ops.c b/drivers/infiniband/hw/hfi1/file_ops.c index b80c8d2ac52b..0522bafb190b 100644 --- a/drivers/infiniband/hw/hfi1/file_ops.c +++ b/drivers/infiniband/hw/hfi1/file_ops.c @@ -168,6 +168,7 @@ static inline int is_valid_mmap(u64 token) static int hfi1_file_open(struct inode *inode, struct file *fp) { + struct hfi1_filedata *fd; struct hfi1_devdata *dd = container_of(inode->i_cdev, struct hfi1_devdata, user_cdev); @@ -176,10 +177,15 @@ static int hfi1_file_open(struct inode *inode, struct file *fp) kobject_get(&dd->kobj); /* The real work is performed later in assign_ctxt() */ - fp->private_data = kzalloc(sizeof(struct hfi1_filedata), GFP_KERNEL); - if (fp->private_data) /* no cpu affinity by default */ - ((struct hfi1_filedata *)fp->private_data)->rec_cpu_num = -1; - return fp->private_data ? 0 : -ENOMEM; + + fd = kzalloc(sizeof(*fd), GFP_KERNEL); + + if (fd) /* no cpu affinity by default */ + fd->rec_cpu_num = -1; + + fp->private_data = fd; + + return fd ? 0 : -ENOMEM; } static long hfi1_file_ioctl(struct file *fp, unsigned int cmd, |