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authorCezary Rojewski <cezary.rojewski@intel.com>2022-09-04 12:28:39 +0200
committerMark Brown <broonie@kernel.org>2022-09-05 14:51:46 +0100
commitf0b933236ec97de5ee49c60aae57a9c5c4dadc87 (patch)
tree1f3e94f35580aa828fc576a32f5c075968c79b97 /include/linux/string_helpers.h
parentASoC: rsnd: Add check for rsnd_mod_power_on (diff)
downloadwireguard-linux-f0b933236ec97de5ee49c60aae57a9c5c4dadc87.tar.xz
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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.h2
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)