Re: Write USB Device Driver entry not called

From: eshwar
Date: Wed Oct 13 2004 - 22:26:57 EST


I agree but the return value from the vfs_write should not be the -EBADF
(Bad File descriptor) it might be -EACCES (premission denied)... Correct me
if I am wrong...

this can be code in fs/read_write.c vfs_write()

if (!(file->f_mode & FMODE_WRITE))
return -EACCES;

Eshwar

----- Original Message -----
From: "Alan Cox" <alan@xxxxxxxxxxxxxxxxxxx>
To: "eshwar" <eshwar@xxxxxxxxxxx>
Cc: "Raj" <inguva@xxxxxxxxx>; "Linux Kernel Mailing List"
<linux-kernel@xxxxxxxxxxxxxxx>
Sent: Wednesday, October 13, 2004 4:07 PM
Subject: Re: Write USB Device Driver entry not called


> On Iau, 2004-10-21 at 18:52, eshwar wrote:
> > Open is sucessfull.... I don't think the problem the flags of open
>
> I do. See any book on C/Unix style file opening. For an existing file
> you want
> open("foo", O_flags)
>
> for a new file possibly
>
> open("foo", O_CREAT|o_flags, S_Iblah)
>
>
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