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| author | Jerry Hoemann <jerry.hoemann@hpe.com> | 2016-01-06 16:03:39 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2016-03-05 12:24:06 -0800 |
| commit | 4dc0e7be884e0f99211107dd75e6e1884b7b3754 (patch) | |
| tree | b52fb5930869ec94ae80f607fbf3510d69e32e57 /drivers/nvdimm/bus.c | |
| parent | f471f1a7d0aa58c609e665514010650b2afa24b6 (diff) | |
| download | linux-4dc0e7be884e0f99211107dd75e6e1884b7b3754.tar.gz linux-4dc0e7be884e0f99211107dd75e6e1884b7b3754.tar.bz2 linux-4dc0e7be884e0f99211107dd75e6e1884b7b3754.zip | |
libnvdimm: Clean-up access mode check.
Change nd_ioctl and nvdimm_ioctl access mode check to use O_RDONLY.
Signed-off-by: Jerry Hoemann <jerry.hoemann@hpe.com>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/nvdimm/bus.c')
| -rw-r--r-- | drivers/nvdimm/bus.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c index 228c0e9f430e..f85227a5ee28 100644 --- a/drivers/nvdimm/bus.c +++ b/drivers/nvdimm/bus.c @@ -636,14 +636,14 @@ static int __nd_ioctl(struct nvdimm_bus *nvdimm_bus, struct nvdimm *nvdimm, static long nd_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { long id = (long) file->private_data; - int rc = -ENXIO, read_only; + int rc = -ENXIO, ro; struct nvdimm_bus *nvdimm_bus; - read_only = (O_RDWR != (file->f_flags & O_ACCMODE)); + ro = ((file->f_flags & O_ACCMODE) == O_RDONLY); mutex_lock(&nvdimm_bus_list_mutex); list_for_each_entry(nvdimm_bus, &nvdimm_bus_list, list) { if (nvdimm_bus->id == id) { - rc = __nd_ioctl(nvdimm_bus, NULL, read_only, cmd, arg); + rc = __nd_ioctl(nvdimm_bus, NULL, ro, cmd, arg); break; } } @@ -667,10 +667,10 @@ static int match_dimm(struct device *dev, void *data) static long nvdimm_ioctl(struct file *file, unsigned int cmd, unsigned long arg) { - int rc = -ENXIO, read_only; + int rc = -ENXIO, ro; struct nvdimm_bus *nvdimm_bus; - read_only = (O_RDWR != (file->f_flags & O_ACCMODE)); + ro = ((file->f_flags & O_ACCMODE) == O_RDONLY); mutex_lock(&nvdimm_bus_list_mutex); list_for_each_entry(nvdimm_bus, &nvdimm_bus_list, list) { struct device *dev = device_find_child(&nvdimm_bus->dev, @@ -681,7 +681,7 @@ static long nvdimm_ioctl(struct file *file, unsigned int cmd, unsigned long arg) continue; nvdimm = to_nvdimm(dev); - rc = __nd_ioctl(nvdimm_bus, nvdimm, read_only, cmd, arg); + rc = __nd_ioctl(nvdimm_bus, nvdimm, ro, cmd, arg); put_device(dev); break; } |