Messages in this thread | | | Date | Mon, 30 Jun 2003 12:46:50 +0200 | From | peter enderborg <> | Subject | profs open hook |
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I have done this little patch for the procfs_example.c
diff procfs_example.c kernels/linux-2.4.20/Documentation/DocBook/procfs_example.c 87,91d86 < static int open_qp(struct inode * inode, struct file * file) < { < printk("Open my node %p %p \n",inode,file); < return -EINVAL; < } 180c175 < foo_file->proc_fops->open=open_qp; --- >
And when loading this module. The procfs gets broken. I get EINVAL for open on /proc/meminfo and all other procfs info. Why? Should procfs inodes don't have full filesematics? And it don't help to unload the module.
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