[PATCH v1] devres: simplify devm_kstrdup() using devm_kmemdup()

From: Raag Jadav
Date: Mon Apr 07 2025 - 08:16:22 EST


devm_kstrdup() logic pretty much reflects devm_kmemdup() for strings,
so just reuse it.

Signed-off-by: Raag Jadav <raag.jadav@xxxxxxxxx>
---
drivers/base/devres.c | 12 +-----------
1 file changed, 1 insertion(+), 11 deletions(-)

diff --git a/drivers/base/devres.c b/drivers/base/devres.c
index d8a733ea5e1a..82fdc1c55045 100644
--- a/drivers/base/devres.c
+++ b/drivers/base/devres.c
@@ -976,17 +976,7 @@ EXPORT_SYMBOL_GPL(devm_krealloc);
*/
char *devm_kstrdup(struct device *dev, const char *s, gfp_t gfp)
{
- size_t size;
- char *buf;
-
- if (!s)
- return NULL;
-
- size = strlen(s) + 1;
- buf = devm_kmalloc(dev, size, gfp);
- if (buf)
- memcpy(buf, s, size);
- return buf;
+ return s ? devm_kmemdup(dev, s, strlen(s) + 1, gfp) : NULL;
}
EXPORT_SYMBOL_GPL(devm_kstrdup);

--
2.34.1