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| author | Cezary Rojewski <cezary.rojewski@intel.com> | 2022-09-04 12:28:39 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2022-09-05 14:51:46 +0100 |
| commit | f0b933236ec97de5ee49c60aae57a9c5c4dadc87 (patch) | |
| tree | 1f3e94f35580aa828fc576a32f5c075968c79b97 /include/linux/string_helpers.h | |
| parent | 376be51caf8871419bbcbb755e1e615d30dc3153 (diff) | |
| download | linux-stable-f0b933236ec97de5ee49c60aae57a9c5c4dadc87.tar.gz linux-stable-f0b933236ec97de5ee49c60aae57a9c5c4dadc87.tar.bz2 linux-stable-f0b933236ec97de5ee49c60aae57a9c5c4dadc87.zip | |
lib/string_helpers: Introduce parse_int_array_user()
Add new helper function to allow for splitting specified user string
into a sequence of integers. Internally it makes use of get_options() so
the returned sequence contains the integers extracted plus an additional
element that begins the sequence and specifies the integers count.
Suggested-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Link: https://lore.kernel.org/r/20220904102840.862395-2-cezary.rojewski@intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/string_helpers.h')
| -rw-r--r-- | include/linux/string_helpers.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/string_helpers.h b/include/linux/string_helpers.h index 4d72258d42fd..dc2e726fd820 100644 --- a/include/linux/string_helpers.h +++ b/include/linux/string_helpers.h @@ -21,6 +21,8 @@ enum string_size_units { void string_get_size(u64 size, u64 blk_size, enum string_size_units units, char *buf, int len); +int parse_int_array_user(const char __user *from, size_t count, int **array); + #define UNESCAPE_SPACE BIT(0) #define UNESCAPE_OCTAL BIT(1) #define UNESCAPE_HEX BIT(2) |