diff options
author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2025-08-03 23:28:48 -0700 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2025-08-03 23:28:48 -0700 |
commit | a7bee4e7f78089c101be2ad51f4b5ec64782053e (patch) | |
tree | 01c730cd0a71026fb1e74d601e1cbb4d0143126a /lib/string_helpers.c | |
parent | 61c6fef7c4b06b4bdbf3142f4e5cace70597e0de (diff) | |
parent | 45ee66c37f9bd8cff7718c70d84e0291d385a093 (diff) |
Merge tag 'ib-mfd-gpio-input-pwm-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into next
Merge an immutable branch between MFD, GPIO, Input and PWM to resolve
conflicts for the merge window pull request.
Diffstat (limited to 'lib/string_helpers.c')
-rw-r--r-- | lib/string_helpers.c | 39 |
1 files changed, 21 insertions, 18 deletions
diff --git a/lib/string_helpers.c b/lib/string_helpers.c index 91fa37b5c510..ffb8ead6d4cd 100644 --- a/lib/string_helpers.c +++ b/lib/string_helpers.c @@ -138,6 +138,25 @@ int string_get_size(u64 size, u64 blk_size, const enum string_size_units units, } EXPORT_SYMBOL(string_get_size); +int parse_int_array(const char *buf, size_t count, int **array) +{ + int *ints, nints; + + get_options(buf, 0, &nints); + if (!nints) + return -ENOENT; + + ints = kcalloc(nints + 1, sizeof(*ints), GFP_KERNEL); + if (!ints) + return -ENOMEM; + + get_options(buf, nints + 1, ints); + *array = ints; + + return 0; +} +EXPORT_SYMBOL(parse_int_array); + /** * parse_int_array_user - Split string into a sequence of integers * @from: The user space buffer to read from @@ -153,30 +172,14 @@ EXPORT_SYMBOL(string_get_size); */ int parse_int_array_user(const char __user *from, size_t count, int **array) { - int *ints, nints; char *buf; - int ret = 0; + int ret; buf = memdup_user_nul(from, count); if (IS_ERR(buf)) return PTR_ERR(buf); - get_options(buf, 0, &nints); - if (!nints) { - ret = -ENOENT; - goto free_buf; - } - - ints = kcalloc(nints + 1, sizeof(*ints), GFP_KERNEL); - if (!ints) { - ret = -ENOMEM; - goto free_buf; - } - - get_options(buf, nints + 1, ints); - *array = ints; - -free_buf: + ret = parse_int_array(buf, count, array); kfree(buf); return ret; } |