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lib/string_helpers: Introduce managed variant of kasprintf_strarray()

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Some of the users want to have easy way to allocate array of strings
that will be automatically cleaned when associated device is gone.

Introduce managed variant of kasprintf_strarray() for such use cases.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
This commit is contained in:
Andy Shevchenko
2021-11-05 14:42:25 +02:00
parent 418e0a3551
commit acdb89b6c8
2 changed files with 34 additions and 0 deletions
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3
include/linux/string_helpers.h
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@@ -7,6 +7,7 @@
#include <linux/string.h>
#include <linux/types.h>
struct device;
struct file;
struct task_struct;
@@ -103,4 +104,6 @@ char *kstrdup_quotable_file(struct file *file, gfp_t gfp);
char **kasprintf_strarray(gfp_t gfp, const char *prefix, size_t n);
void kfree_strarray(char **array, size_t n);
char **devm_kasprintf_strarray(struct device *dev, const char *prefix, size_t n);
#endif