diff options
| author |   Bartosz Golaszewski <bartosz.golaszewski@linaro.org> | 2024-01-22 13:42:40 +0100 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2024-01-26 13:44:48 +0100 |
| commit | d12a82848eac28d248e67940378fe4a72b0a8cd3 (patch) | |
| tree | 39d6a757d6e9c44ad32545587aedb6c776105bff /include/linux/bitmap.h | |
| parent | genirq: Deduplicate interrupt descriptor initialization (diff) | |
| download | linux-d12a82848eac28d248e67940378fe4a72b0a8cd3.tar.xz linux-d12a82848eac28d248e67940378fe4a72b0a8cd3.zip | |
bitmap: Define a cleanup function for bitmaps
Add support for autopointers for bitmaps allocated with bitmap_alloc()
et al.
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Yury Norov <yury.norov@gmail.com>
Link: https://lore.kernel.org/r/20240122124243.44002-2-brgl@bgdev.pl
Diffstat (limited to 'include/linux/bitmap.h')
| -rw-r--r-- | include/linux/bitmap.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h index 99451431e4d6..df24c8fb1009 100644 --- a/include/linux/bitmap.h +++ b/include/linux/bitmap.h @@ -6,6 +6,7 @@ #include <linux/align.h> #include <linux/bitops.h> +#include <linux/cleanup.h> #include <linux/errno.h> #include <linux/find.h> #include <linux/limits.h> @@ -127,6 +128,8 @@ unsigned long *bitmap_alloc_node(unsigned int nbits, gfp_t flags, int node); unsigned long *bitmap_zalloc_node(unsigned int nbits, gfp_t flags, int node); void bitmap_free(const unsigned long *bitmap); +DEFINE_FREE(bitmap, unsigned long *, if (_T) bitmap_free(_T)) + /* Managed variants of the above. */ unsigned long *devm_bitmap_alloc(struct device *dev, unsigned int nbits, gfp_t flags); |