On 2 July 2014 16:15, Mathias Krause <mini...@googlemail.com> wrote: > On 15 June 2014 23:02, Mathias Krause <mini...@googlemail.com> wrote: >> The VFS layer handles those in the very same way, if unset. No need for >> additional stubs. >> >> Signed-off-by: Mathias Krause <mini...@googlemail.com> >> Cc: Alexander Viro <v...@zeniv.linux.org.uk> >> --- >> drivers/char/agp/frontend.c | 15 --------------- >> 1 file changed, 15 deletions(-) >> >> diff --git a/drivers/char/agp/frontend.c b/drivers/char/agp/frontend.c >> index b29703324e..09f17eb734 100644 >> --- a/drivers/char/agp/frontend.c >> +++ b/drivers/char/agp/frontend.c >> @@ -710,19 +710,6 @@ static int agp_open(struct inode *inode, struct file >> *file) >> return 0; >> } >> >> - >> -static ssize_t agp_read(struct file *file, char __user *buf, >> - size_t count, loff_t * ppos) >> -{ >> - return -EINVAL; >> -} >> - >> -static ssize_t agp_write(struct file *file, const char __user *buf, >> - size_t count, loff_t * ppos) >> -{ >> - return -EINVAL; >> -} >> - >> static int agpioc_info_wrap(struct agp_file_private *priv, void __user *arg) >> { >> struct agp_info userinfo; >> @@ -1047,8 +1034,6 @@ static const struct file_operations agp_fops = >> { >> .owner = THIS_MODULE, >> .llseek = no_llseek, >> - .read = agp_read, >> - .write = agp_write, >> .unlocked_ioctl = agp_ioctl, >> #ifdef CONFIG_COMPAT >> .compat_ioctl = compat_agp_ioctl, >> -- >> 1.7.10.4 >> > > Ping. Any objections, comments? David?
Are you sure VFS handles this the same way? can you point me where it checks ->read and returns -EINVAL, I'm probably just missing it in my quick look over fs/read_write.c Dave. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/