kprobes/arm: fix decoding of arithmetic immediate instructions

[safe/jmp/linux-2.6] / arch / arm / kernel / sys_arm.c

diff --git a/arch/arm/kernel/sys_arm.c b/arch/arm/kernel/sys_arm.c
index a491de2..9bd1870 100644 (file)
--- a/arch/arm/kernel/sys_arm.c
+++ b/arch/arm/kernel/sys_arm.c
@@ -26,9 +26,9 @@
 #include <linux/fs.h>
 #include <linux/file.h>
 #include <linux/utsname.h>
+#include <linux/ipc.h>
 
 #include <asm/uaccess.h>
-#include <asm/ipc.h>
 
 extern unsigned long do_mremap(unsigned long addr, unsigned long old_len,
                               unsigned long new_len, unsigned long flags,
@@ -234,7 +234,12 @@ asmlinkage int sys_ipc(uint call, int first, int second, int third,
  */
 asmlinkage int sys_fork(struct pt_regs *regs)
 {
+#ifdef CONFIG_MMU
        return do_fork(SIGCHLD, regs->ARM_sp, regs, 0, NULL, NULL);
+#else
+       /* can not support in nommu mode */
+       return(-EINVAL);
+#endif
 }
 
 /* Clone a task - this clones the calling program thread.
@@ -274,7 +279,7 @@ out:
        return error;
 }
 
-long execve(const char *filename, char **argv, char **envp)
+int kernel_execve(const char *filename, char *const argv[], char *const envp[])
 {
        struct pt_regs regs;
        int ret;
@@ -312,10 +317,10 @@ long execve(const char *filename, char **argv, char **envp)
  out:
        return ret;
 }
-EXPORT_SYMBOL(execve);
+EXPORT_SYMBOL(kernel_execve);
 
 /*
- * Since loff_t is a 64 bit type we avoid a lot of ABI hastle
+ * Since loff_t is a 64 bit type we avoid a lot of ABI hassle
  * with a different argument ordering.
  */
 asmlinkage long sys_arm_fadvise64_64(int fd, int advice,