Introduce '_array' variant of devm_kmemdup() which is more robust and consistent with alloc family of helpers. Suggested-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx> Signed-off-by: Raag Jadav <raag.jadav@xxxxxxxxx> Reviewed-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx> Reviewed-by: Linus Walleij <linus.walleij@xxxxxxxxxx> --- include/linux/device/devres.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/include/linux/device/devres.h b/include/linux/device/devres.h index 128d65defafc..6ef400abfe21 100644 --- a/include/linux/device/devres.h +++ b/include/linux/device/devres.h @@ -79,6 +79,11 @@ void devm_kfree(struct device *dev, const void *p); void * __realloc_size(3) devm_kmemdup(struct device *dev, const void *src, size_t len, gfp_t gfp); +static inline void *devm_kmemdup_array(struct device *dev, const void *src, + size_t n, size_t size, gfp_t flags) +{ + return devm_kmemdup(dev, src, size_mul(size, n), flags); +} char * __malloc devm_kstrdup(struct device *dev, const char *s, gfp_t gfp); -- 2.34.1