| Message ID | 20241126172240.6044-2-raag.jadav@intel.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | Introduce devm_kmemdup_array() helper | expand |
On Tue, Nov 26, 2024 at 10:52:35PM +0530, Raag Jadav wrote: > Introduce '_array' variant of devm_kmemdup() which is more robust and > consistent with alloc family of helpers. > > Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> > Signed-off-by: Raag Jadav <raag.jadav@intel.com> Thank you for making the changes. Reviewed-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> > --- > include/linux/device.h | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/include/linux/device.h b/include/linux/device.h > index b4bde8d22697..c2032aab1586 100644 > --- a/include/linux/device.h > +++ b/include/linux/device.h > @@ -358,6 +358,11 @@ char *devm_kstrdup(struct device *dev, const char *s, gfp_t gfp) __malloc; > const char *devm_kstrdup_const(struct device *dev, const char *s, gfp_t gfp); > void *devm_kmemdup(struct device *dev, const void *src, size_t len, gfp_t gfp) > __realloc_size(3); > +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); > +} > > unsigned long devm_get_free_pages(struct device *dev, > gfp_t gfp_mask, unsigned int order); > -- > 2.35.3 >
diff --git a/include/linux/device.h b/include/linux/device.h index b4bde8d22697..c2032aab1586 100644 --- a/include/linux/device.h +++ b/include/linux/device.h @@ -358,6 +358,11 @@ char *devm_kstrdup(struct device *dev, const char *s, gfp_t gfp) __malloc; const char *devm_kstrdup_const(struct device *dev, const char *s, gfp_t gfp); void *devm_kmemdup(struct device *dev, const void *src, size_t len, gfp_t gfp) __realloc_size(3); +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); +} unsigned long devm_get_free_pages(struct device *dev, gfp_t gfp_mask, unsigned int order);
Introduce '_array' variant of devm_kmemdup() which is more robust and consistent with alloc family of helpers. Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Raag Jadav <raag.jadav@intel.com> --- include/linux/device.h | 5 +++++ 1 file changed, 5 insertions(+)