hi,
Thanx for replying ..
I could'nt get past the errors caused due to the
proc_register and proc_unregister.
The warnings during the compilation are:
-----snip------
# gcc -D__KERNEL__ -DMODULE -DLINUX -Wall
-I/usr/src/linux/include -O2 -c procfs.c
In file included from
/usr/src/linux/include/linux/fs.h:19,
from
/usr/src/linux/include/linux/capability.h:17,
from
/usr/src/linux/include/linux/binfmts.h:5,
from
/usr/src/linux/include/linux/sched.h:9,
from
/usr/src/linux/include/linux/mm.h:4,
from
/usr/src/linux/include/linux/slab.h:14,
from
/usr/src/linux/include/linux/proc_fs.h:5,
from procfs.c:15:
/usr/src/linux/include/linux/dcache.h: In function
`dget':
/usr/src/linux/include/linux/dcache.h:244: warning:
implicit declaration of function
`printk_Rsmp_1b7d4074'
procfs.c: In function `module_output':
procfs.c:56: warning: implicit declaration of function
`sprintf_Rsmp_3c2c5af5'
procfs.c: In function `init_module':
procfs.c:156: warning: implicit declaration of
function `proc_register_dynamic'
procfs.c: In function `cleanup_module':
procfs.c:162: warning: implicit declaration of
function `proc_unregister'
procfs.c: At top level:
procfs.c:122: warning: `File_Ops_4_Our_Proc_File'
defined but not used
#
-----snip------
the file_operations and inode_operations struct are:
----snip----
static struct file_operations File_Ops_4_Our_Proc_File
=
{
read:module_output,
write:module_input,
open:module_open,
release:module_close,
};
static struct inode_operations
Inode_Ops_4_Our_Proc_File =
{
static struct file_operations File_Ops_4_Our_Proc_File
=
{
read:module_output,
write:module_input,
open:module_open,
release:module_close,
};
static struct inode_operations
Inode_Ops_4_Our_Proc_File =
{
//&File_Ops_4_Our_Proc_File,
permission:module_permission
};
----snip----
The commenting out of &File_Ops_4_Our_Proc_File is
causing the warning on line 122 in compilation. The
same problem remains : I am not able to load the
module.
I am not able to find any extern declarations in the
files that have used proc_register() &
proc_unregister().
Thanx for the Linux Cross-Reference link. That was
really useful to go thru the source code instead of
grep.
TIA
karthik
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