| Message ID | 20220124180040.50660-3-andriy.shevchenko@linux.intel.com |
|---|---|
| State | New |
| Headers | show |
| Series | [v2,1/5] nvmem: core: Remove unused devm_nvmem_unregister() | expand |
diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c index 68db7d3303ac..53a43d843743 100644 --- a/drivers/nvmem/core.c +++ b/drivers/nvmem/core.c @@ -903,7 +903,8 @@ static void nvmem_device_release(struct kref *kref) */ void nvmem_unregister(struct nvmem_device *nvmem) { - kref_put(&nvmem->refcnt, nvmem_device_release); + if (nvmem) + kref_put(&nvmem->refcnt, nvmem_device_release); } EXPORT_SYMBOL_GPL(nvmem_unregister);
nvmem_unregister() frees resources and standard pattern is to allow caller to not care if it's NULL or not. This will reduce burden on the callers to perform this check. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> --- v2: no changes drivers/nvmem/core.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)