On Thu, 6 Dec 2007 18:37:06 +0530 "Sandeep K Sinha" <[EMAIL PROTECTED]> wrote:
> It returns with ENOENT after using set_fs. Why do you need to do a sys_open from kernel? system calls are for user space i guess. You are already in kernel. how about using sysfs interface and passing info to a file in /sys/xyz/abc file, from where a user space thread/daemon can write that to your desired location? Thanks > > On Dec 6, 2007 5:11 PM, Vivek Kutal <[EMAIL PROTECTED]> wrote: > > Sandeep K Sinha wrote: > > > Well, I am trying to write a kernel module which when inserted > > > should created a file foo at any absolute location. > > > This is a code snippet of the same. It returns with error No -14. > > > This a part of the constructor code for the module. I am using > > > 2.6.20 kernel. > > > > > > char x1[64]="/home/ssinha/foo"; > > > printk(KERN_INFO "Hello world \n"); > > > return1 = sys_open(x1,O_CREAT | O_WRONLY | O_TRUNC,0); > > > printk(KERN_ALERT "Returned Value is : %d. \n",return1); > > > > > > Am I logically wrong somewhere ?? > > > > > > > > You'll have to do a set_fs(KERNEL_DS) , before calling open. > > > > > > > > -- > > Vivek Kutal > > > > > > > -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to [EMAIL PROTECTED] Please read the FAQ at http://kernelnewbies.org/FAQ
