kernel-module-emlog: Fix build with kernel 6.12+

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-core/emlog/emlog.inc

@@ -4,6 +4,7 @@ LICENSE = "GPL-2.0-only"
 LIC_FILES_CHKSUM = "file://COPYING;md5=94d55d512a9ba36caa9b7df079bae19f"
 
 SRC_URI = "git://github.com/nicupavel/emlog.git;protocol=https;branch=master"
+SRC_URI += "file://0001-emlog-Do-not-use-no_llseek-with-kernel-6.12.0.patch"
 SRCREV = "a9bbf324fde131ff4cf064e32674086c4ced4dca"
 PV = "0.70+git"
 S = "${WORKDIR}/git"

meta-oe/recipes-core/emlog/files/0001-emlog-Do-not-use-no_llseek-with-kernel-6.12.0.patch

@@ -0,0 +1,32 @@
+From dca01ea62833249d78ac3bdf277b73424bf93e89 Mon Sep 17 00:00:00 2001
+From: Khem Raj <raj.khem@gmail.com>
+Date: Sat, 14 Dec 2024 09:55:10 -0800
+Subject: [PATCH] emlog: Do not use no_llseek with kernel 6.12.0+
+
+no_llseek is finally gone with 6.12-rc1 [1]
+
+[1] https://github.com/torvalds/linux/commit/cb787f4ac0c2e439ea8d7e6387b925f74576bdf8
+
+Upstream-Status: Submitted [https://github.com/nicupavel/emlog/pull/16]
+---
+ emlog.c | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/emlog.c b/emlog.c
+index 2ead738..b45c72d 100644
+--- a/emlog.c
++++ b/emlog.c
+@@ -464,7 +464,12 @@ static const struct file_operations emlog_fops = {
+     .open = emlog_open,
+     .release = emlog_release,
+     .poll = emlog_poll,
+-    .llseek = no_llseek,        /* no_llseek by default introduced at v2.6.37-rc1 */
++#if LINUX_VERSION_CODE < KERNEL_VERSION(6, 12, 0)
++    /* no_llseek by default introduced at v2.6.37-rc1 and
++     * removed in 6.12.0
++     */
++    .llseek = no_llseek,
++#endif
+     .owner = THIS_MODULE,
+ };
+