Re: [PATCH -next] RAS/CEC: Convert to DEFINE_SHOW_ATTRIBUTE

From: Borislav Petkov
Date: Mon Aug 17 2020 - 06:30:32 EST


On Thu, Jul 16, 2020 at 04:58:34PM +0800, Qinglang Miao wrote:
> From: Yongqiang Liu <liuyongqiang13@xxxxxxxxxx>
>
> Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
>
> Signed-off-by: Yongqiang Liu <liuyongqiang13@xxxxxxxxxx>
> ---
> drivers/ras/cec.c | 17 +++--------------
> 1 file changed, 3 insertions(+), 14 deletions(-)
>
> diff --git a/drivers/ras/cec.c b/drivers/ras/cec.c
> index a992bb426..ed47b59e4 100644
> --- a/drivers/ras/cec.c
> +++ b/drivers/ras/cec.c
> @@ -435,7 +435,7 @@ DEFINE_DEBUGFS_ATTRIBUTE(action_threshold_ops, u64_get, action_threshold_set, "%
>
> static const char * const bins[] = { "00", "01", "10", "11" };
>
> -static int array_dump(struct seq_file *m, void *v)
> +static int array_show(struct seq_file *m, void *v)
> {
> struct ce_array *ca = &ce_arr;
> int i;
> @@ -467,18 +467,7 @@ static int array_dump(struct seq_file *m, void *v)
> return 0;
> }
>
> -static int array_open(struct inode *inode, struct file *filp)
> -{
> - return single_open(filp, array_dump, NULL);
> -}
> -
> -static const struct file_operations array_ops = {
> - .owner = THIS_MODULE,
> - .open = array_open,
> - .read_iter = seq_read_iter,

$ test-apply.sh /tmp/01-ras-cec-convert_to_define_show_attribute.patch
checking file drivers/ras/cec.c
Hunk #2 FAILED at 467.
1 out of 3 hunks FAILED
Apply? (y/n) n

Where did this .read_iter come from?

--
Regards/Gruss,
Boris.

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