On Jan 12 2007 11:27, Jesper Juhl wrote:
> On 12/01/07, congwen <[email protected]> wrote:
>> Hello everyone, I want to create and read/write a file in Linux kernel or
>> device driver,
>
> Don't read/write user space files from kernel space.
>
> Please search the archives, this get asked a lot and it has been
> explained a million times why it's a bad idea.
> You can also read http://www.linuxjournal.com/article/8110
The article does it the bad way. IMHO filp_open() and
vfs_read/vfs_write() are much less problematic wrt. to userspace.
FWIW see
ftp://ftp-1.gwdg.de/pub/linux/misc/suser-jengelh/kernel/quad_dsp-1.5.1.tar.bz2
-`J'
--
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
[Index of Archives]
[Kernel Newbies]
[Netfilter]
[Bugtraq]
[Photo]
[Stuff]
[Gimp]
[Yosemite News]
[MIPS Linux]
[ARM Linux]
[Linux Security]
[Linux RAID]
[Video 4 Linux]
[Linux for the blind]
[Linux Resources]
