* [PATCH] md/bitmap:Don't use IS_ERR to judge alloc_page().
@ 2012-09-15 2:43 Jianpeng Ma
2012-09-20 2:54 ` NeilBrown
0 siblings, 1 reply; 2+ messages in thread
From: Jianpeng Ma @ 2012-09-15 2:43 UTC (permalink / raw)
To: Neil Brown; +Cc: linux-raid
Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
---
drivers/md/bitmap.c | 7 ++-----
1 file changed, 2 insertions(+), 5 deletions(-)
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 94e7f6b..f03ad11 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -476,11 +476,8 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap)
int err = -EINVAL;
bitmap->storage.sb_page = alloc_page(GFP_KERNEL);
- if (IS_ERR(bitmap->storage.sb_page)) {
- err = PTR_ERR(bitmap->storage.sb_page);
- bitmap->storage.sb_page = NULL;
- return err;
- }
+ if (bitmap->storage.sb_page == NULL)
+ return -ENOMEM;
bitmap->storage.sb_page->index = 0;
sb = kmap_atomic(bitmap->storage.sb_page);
--
1.7.9.5
^ permalink raw reply related [flat|nested] 2+ messages in thread* Re: [PATCH] md/bitmap:Don't use IS_ERR to judge alloc_page().
2012-09-15 2:43 [PATCH] md/bitmap:Don't use IS_ERR to judge alloc_page() Jianpeng Ma
@ 2012-09-20 2:54 ` NeilBrown
0 siblings, 0 replies; 2+ messages in thread
From: NeilBrown @ 2012-09-20 2:54 UTC (permalink / raw)
To: Jianpeng Ma; +Cc: linux-raid
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On Sat, 15 Sep 2012 10:43:00 +0800 "Jianpeng Ma" <majianpeng@gmail.com> wrote:
> Signed-off-by: Jianpeng Ma <majianpeng@gmail.com>
> ---
> drivers/md/bitmap.c | 7 ++-----
> 1 file changed, 2 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
> index 94e7f6b..f03ad11 100644
> --- a/drivers/md/bitmap.c
> +++ b/drivers/md/bitmap.c
> @@ -476,11 +476,8 @@ static int bitmap_new_disk_sb(struct bitmap *bitmap)
> int err = -EINVAL;
>
> bitmap->storage.sb_page = alloc_page(GFP_KERNEL);
> - if (IS_ERR(bitmap->storage.sb_page)) {
> - err = PTR_ERR(bitmap->storage.sb_page);
> - bitmap->storage.sb_page = NULL;
> - return err;
> - }
> + if (bitmap->storage.sb_page == NULL)
> + return -ENOMEM;
> bitmap->storage.sb_page->index = 0;
>
> sb = kmap_atomic(bitmap->storage.sb_page);
Applied,
Thanks,
NeilBrown
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2012-09-15 2:43 [PATCH] md/bitmap:Don't use IS_ERR to judge alloc_page() Jianpeng Ma
2012-09-20 2:54 ` NeilBrown
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