求助关于patch的问题

[qiuchen]

Applying toolchain/kernel-headers/linux-libc-headers-2.6.11.0-cdrom.patch using plaintext:
can't find file to patch at input line 4
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|diff -urN linux.orig/usr/include/linux/cdrom.h linux/usr/include/linux/cdrom.h
|--- linux.orig/usr/include/linux/cdrom.h 2005-01-08 06:03:51.000000000 -0800
|+++ linux/usr/include/linux/cdrom.h 2007-01-22 19:34:11.000000000 -0800
--------------------------
File to patch:


我输入/usr/include/linux/cdrom.h后 出现
patching file /usr/include/linux/cdrom.h
Hunk #1 FAILED at 293.
patch: **** Can't rename file /usr/include/linux/cdrom.h to /usr/include/linux/cdrom.h.orig : Permission denied
Patch failed! Please fix toolchain/kernel-headers/linux-libc-headers-2.6.11.0-cdrom.patch!


大家帮忙阿 疯了～