Date: Wed, 22 Apr 2026 20:47:25 +0000 From: Jean-=?utf-8?Q?S=C3=A9bast?==?utf-8?Q?ien P=C3=A9?=dron <dumbbell@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: 5dfbc6593cda - main - linuxkpi: Add `memdup_array_user()` Message-ID: <69e933dd.25e0e.7c81292f@gitrepo.freebsd.org>
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The branch main has been updated by dumbbell: URL: https://cgit.FreeBSD.org/src/commit/?id=5dfbc6593cdacd5b4e4939e09d595b3a9c8e47da commit 5dfbc6593cdacd5b4e4939e09d595b3a9c8e47da Author: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> AuthorDate: 2026-04-21 00:01:11 +0000 Commit: Jean-Sébastien Pédron <dumbbell@FreeBSD.org> CommitDate: 2026-04-22 20:46:57 +0000 linuxkpi: Add `memdup_array_user()` The amdgpu DRM driver started this in Linux 6.12.x. Reviewed by: bz Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D56574 --- sys/compat/linuxkpi/common/include/linux/string.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/sys/compat/linuxkpi/common/include/linux/string.h b/sys/compat/linuxkpi/common/include/linux/string.h index ba6549804edc..b195dcc8fe9b 100644 --- a/sys/compat/linuxkpi/common/include/linux/string.h +++ b/sys/compat/linuxkpi/common/include/linux/string.h @@ -88,6 +88,17 @@ memdup_user_nul(const void *ptr, size_t len) return (retval); } +static inline void * +memdup_array_user(const void *src, size_t n, size_t size) +{ + size_t len; + + if (check_mul_overflow(n, size, &len)) + return (ERR_PTR(-EOVERFLOW)); + + return (memdup_user(src, len)); +} + static inline void * kmemdup(const void *src, size_t len, gfp_t gfp) {home | help
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