Date: Wed, 23 Mar 2022 13:39:00 GMT From: Emmanuel Vadot <manu@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 8e587a5f13ce - main - linuxkpi: Add kstrtouint_from_user Message-ID: <202203231339.22NDd0Xq006975@gitrepo.freebsd.org>
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The branch main has been updated by manu: URL: https://cgit.FreeBSD.org/src/commit/?id=8e587a5f13ce676d7763ffa920148fe31bc3bfae commit 8e587a5f13ce676d7763ffa920148fe31bc3bfae Author: Emmanuel Vadot <manu@FreeBSD.org> AuthorDate: 2022-03-22 09:22:42 +0000 Commit: Emmanuel Vadot <manu@FreeBSD.org> CommitDate: 2022-03-23 13:37:32 +0000 linuxkpi: Add kstrtouint_from_user Like kstrtoint_from_user but for uint. Needed by drm v5.10 MFC after: 1 month Reviewed by: hselasky Sponsored by: Beckhoff Automation GmbH & Co. KG Differential Revision: https://reviews.freebsd.org/D34642 --- sys/compat/linuxkpi/common/include/linux/kernel.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/kernel.h b/sys/compat/linuxkpi/common/include/linux/kernel.h index d6916812f02a..8fb92dd2f93e 100644 --- a/sys/compat/linuxkpi/common/include/linux/kernel.h +++ b/sys/compat/linuxkpi/common/include/linux/kernel.h @@ -524,6 +524,21 @@ kstrtoint_from_user(const char __user *s, size_t count, unsigned int base, return (kstrtoint(buf, base, p)); } +static inline int +kstrtouint_from_user(const char __user *s, size_t count, unsigned int base, + int *p) +{ + char buf[36] = {}; + + if (count > (sizeof(buf) - 1)) + count = (sizeof(buf) - 1); + + if (copy_from_user(buf, s, count)) + return (-EFAULT); + + return (kstrtouint(buf, base, p)); +} + static inline int kstrtou8_from_user(const char __user *s, size_t count, unsigned int base, u8 *p)
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