libnvdimm: Replace namespace_match() with device_find_child_by_name()

Simplify nd_namespace_store() implementation by
using device_find_child_by_name().

Reviewed-by: Alison Schofield <alison.schofield@intel.com>
Reviewed-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Zijun Hu <quic_zijuhu@quicinc.com>
Link: https://lore.kernel.org/r/20241224-const_dfc_done-v5-1-6623037414d4@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/nvdimm/claim.c b/drivers/nvdimm/claim.c
index 030dbde6b0882050c90fb8db106ec15b1baef7ca..9e84ab411564f9d5e7ceb687c6491562564552e3 100644 (file)
--- a/drivers/nvdimm/claim.c
+++ b/drivers/nvdimm/claim.c
@@ -67,13 +67,6 @@ bool nd_attach_ndns(struct device *dev, struct nd_namespace_common *attach,
        return claimed;
 }
 
-static int namespace_match(struct device *dev, void *data)
-{
-       char *name = data;
-
-       return strcmp(name, dev_name(dev)) == 0;
-}
-
 static bool is_idle(struct device *dev, struct nd_namespace_common *ndns)
 {
        struct nd_region *nd_region = to_nd_region(dev->parent);
@@ -168,7 +161,7 @@ ssize_t nd_namespace_store(struct device *dev,
                goto out;
        }
 
-       found = device_find_child(dev->parent, name, namespace_match);
+       found = device_find_child_by_name(dev->parent, name);
        if (!found) {
                dev_dbg(dev, "'%s' not found under %s\n", name,
                                dev_name(dev->parent));