git: edbcaca4353c - stable/15 - LinuxKPI: implement devm_kmemdup_array()

The branch stable/15 has been updated by bz:

URL: https://cgit.FreeBSD.org/src/commit/?id=edbcaca4353ca102a45c2d6286221bca7ed78e8d

commit edbcaca4353ca102a45c2d6286221bca7ed78e8d
Author:     Bjoern A. Zeeb <bz@FreeBSD.org>
AuthorDate: 2026-04-14 13:35:36 +0000
Commit:     Bjoern A. Zeeb <bz@FreeBSD.org>
CommitDate: 2026-04-22 20:57:09 +0000

    LinuxKPI: implement devm_kmemdup_array()
    
    Implement devm_kmemdup_array() using devm_kmemdup() in order to
    prepare for Linux v7.0 based drivers.
    
    Sponsored by:   The FreeBSD Foundation
    Reviewed by:    dumbbell
    Differential Revision: https://reviews.freebsd.org/D56396
    
    (cherry picked from commit f1834d03af617a93993056bb902082452673f89f)
---
 sys/compat/linuxkpi/common/include/linux/device.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sys/compat/linuxkpi/common/include/linux/device.h b/sys/compat/linuxkpi/common/include/linux/device.h
index 8834f1799e61..030e9b127540 100644
--- a/sys/compat/linuxkpi/common/include/linux/device.h
+++ b/sys/compat/linuxkpi/common/include/linux/device.h
@@ -701,6 +701,13 @@ devm_kmemdup(struct device *dev, const void *src, size_t len, gfp_t gfp)
 	return (dst);
 }
 
+static inline void *
+devm_kmemdup_array(struct device *dev, const void *src, size_t n, size_t len,
+    gfp_t gfp)
+{
+	return (devm_kmemdup(dev, src, size_mul(n, len), gfp));
+}
+
 #define	devm_kzalloc(_dev, _size, _gfp)				\
     devm_kmalloc((_dev), (_size), (_gfp) | __GFP_ZERO)