diff options
Diffstat (limited to 'package/kernel/mac80211/patches/013-backport-dev_coredumpm-function.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/013-backport-dev_coredumpm-function.patch | 156 |
1 files changed, 0 insertions, 156 deletions
diff --git a/package/kernel/mac80211/patches/013-backport-dev_coredumpm-function.patch b/package/kernel/mac80211/patches/013-backport-dev_coredumpm-function.patch deleted file mode 100644 index 2c80aedc48..0000000000 --- a/package/kernel/mac80211/patches/013-backport-dev_coredumpm-function.patch +++ /dev/null @@ -1,156 +0,0 @@ -From ec8549e611465558bdf1bb5e9d308f39e5e248cd Mon Sep 17 00:00:00 2001 -From: Hauke Mehrtens <hauke@hauke-m.de> -Date: Sun, 17 Sep 2017 14:41:48 +0200 -Subject: backport dev_coredumpm() function - -This is copied from a more recent backports version to add the -dev_coredumpm() function when the internal core devdump is not used. ---- - compat/Makefile | 1 + - compat/backport-4.7.c | 82 ++++++++++++++++++++++++++++++++++++++++++ - include/linux/bp-devcoredump.h | 32 +++++++++++++++++ - include/linux/devcoredump.h | 1 + - 4 files changed, 116 insertions(+) - create mode 100644 compat/backport-4.7.c - create mode 100644 include/linux/bp-devcoredump.h - ---- a/compat/Makefile -+++ b/compat/Makefile -@@ -32,6 +32,7 @@ compat-$(CPTCFG_KERNEL_4_3) += backport- - compat-$(CPTCFG_KERNEL_4_4) += backport-4.4.o - compat-$(CPTCFG_KERNEL_4_5) += backport-4.5.o - compat-$(CPTCFG_KERNEL_4_6) += backport-4.6.o -+compat-$(CPTCFG_KERNEL_4_6) += backport-4.7.o - - compat-$(CPTCFG_BPAUTO_BUILD_CRYPTO_CCM) += crypto-ccm.o - compat-$(CPTCFG_BPAUTO_CRYPTO_SKCIPHER) += crypto-skcipher.o ---- /dev/null -+++ b/compat/backport-4.7.c -@@ -0,0 +1,82 @@ -+/* -+ * Copyright(c) 2016 Hauke Mehrtens <hauke@hauke-m.de> -+ * -+ * Backport functionality introduced in Linux 4.7. -+ * -+ * This program is free software; you can redistribute it and/or modify -+ * it under the terms of the GNU General Public License version 2 as -+ * published by the Free Software Foundation. -+ */ -+ -+#include <linux/export.h> -+#include <linux/list.h> -+#include <linux/rcupdate.h> -+#include <linux/slab.h> -+#include <linux/spinlock.h> -+#include <linux/skbuff.h> -+#include <net/netlink.h> -+ -+/* -+ * Below 3.18 or if the kernel has devcoredump disabled, we copied the -+ * entire devcoredump, so no need to define these functions. -+ */ -+#if LINUX_VERSION_CODE >= KERNEL_VERSION(3,18,0) && \ -+ !defined(CPTCFG_BPAUTO_BUILD_WANT_DEV_COREDUMP) -+#include <linux/devcoredump.h> -+#include <linux/scatterlist.h> -+ -+static void devcd_free_sgtable(void *data) -+{ -+ struct scatterlist *table = data; -+ int i; -+ struct page *page; -+ struct scatterlist *iter; -+ struct scatterlist *delete_iter; -+ -+ /* free pages */ -+ iter = table; -+ for_each_sg(table, iter, sg_nents(table), i) { -+ page = sg_page(iter); -+ if (page) -+ __free_page(page); -+ } -+ -+ /* then free all chained tables */ -+ iter = table; -+ delete_iter = table; /* always points on a head of a table */ -+ while (!sg_is_last(iter)) { -+ iter++; -+ if (sg_is_chain(iter)) { -+ iter = sg_chain_ptr(iter); -+ kfree(delete_iter); -+ delete_iter = iter; -+ } -+ } -+ -+ /* free the last table */ -+ kfree(delete_iter); -+} -+ -+static ssize_t devcd_read_from_sgtable(char *buffer, loff_t offset, -+ size_t buf_len, void *data, -+ size_t data_len) -+{ -+ struct scatterlist *table = data; -+ -+ if (offset > data_len) -+ return -EINVAL; -+ -+ if (offset + buf_len > data_len) -+ buf_len = data_len - offset; -+ return sg_pcopy_to_buffer(table, sg_nents(table), buffer, buf_len, -+ offset); -+} -+ -+void dev_coredumpsg(struct device *dev, struct scatterlist *table, -+ size_t datalen, gfp_t gfp) -+{ -+ dev_coredumpm(dev, THIS_MODULE, table, datalen, gfp, -+ devcd_read_from_sgtable, devcd_free_sgtable); -+} -+EXPORT_SYMBOL_GPL(dev_coredumpsg); -+#endif /* >= 3.18.0 */ ---- /dev/null -+++ b/include/linux/bp-devcoredump.h -@@ -0,0 +1,32 @@ -+#ifndef __BACKPORT_LINUX_DEVCOREDUMP_H -+#define __BACKPORT_LINUX_DEVCOREDUMP_H -+#include <linux/version.h> -+#include <linux/scatterlist.h> -+ -+/* We only need to add our wrapper inside the range from 3.18 until -+ * 4.6, outside that we can let our BPAUTO mechanism handle it. -+ */ -+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(3,18,0) && \ -+ LINUX_VERSION_CODE < KERNEL_VERSION(4,7,0)) -+static inline -+void backport_dev_coredumpm(struct device *dev, struct module *owner, -+ void *data, size_t datalen, gfp_t gfp, -+ ssize_t (*read_fn)(char *buffer, loff_t offset, -+ size_t count, void *data, -+ size_t datalen), -+ void (*free_fn)(void *data)) -+{ -+ return dev_coredumpm(dev, owner, (const void *)data, datalen, gfp, -+ (void *)read_fn, (void *)free_fn); -+} -+ -+#define dev_coredumpm LINUX_BACKPORT(dev_coredumpm) -+ -+#define dev_coredumpsg LINUX_BACKPORT(dev_coredumpsg) -+void dev_coredumpsg(struct device *dev, struct scatterlist *table, -+ size_t datalen, gfp_t gfp); -+ -+#endif /* (LINUX_VERSION_IS_GEQ(3,18,0) && \ -+ LINUX_VERSION_IS_LESS(4,7,0)) */ -+ -+#endif /* __BACKPORT_LINUX_DEVCOREDUMP_H */ ---- a/include/linux/devcoredump.h -+++ b/include/linux/devcoredump.h -@@ -1,6 +1,7 @@ - /* Automatically created during backport process */ - #ifndef CPTCFG_BPAUTO_BUILD_WANT_DEV_COREDUMP - #include_next <linux/devcoredump.h> -+#include <linux/bp-devcoredump.h> - #else - #undef dev_coredumpv - #define dev_coredumpv LINUX_BACKPORT(dev_coredumpv) |