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* [patch] f2fs: checking for IS_ERR() instead of NULL
@ 2014-01-09  5:28 Dan Carpenter
  2014-01-09  9:56 ` Jaegeuk Kim
  0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2014-01-09  5:28 UTC (permalink / raw)
  To: Jaegeuk Kim; +Cc: linux-f2fs-devel, kernel-janitors

grab_cache_page_write_begin() returns NULL on error, it doesn't return
error pointers.

Fixes: e18c65b2ac91 ('f2fs: key functions to handle inline data')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>

diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
index 69a923e38f0c..e0d800a1d79f 100644
--- a/fs/f2fs/inline.c
+++ b/fs/f2fs/inline.c
@@ -131,8 +131,8 @@ int f2fs_convert_inline_data(struct inode *inode, pgoff_t to_size)
 		return 0;
 
 	page = grab_cache_page_write_begin(inode->i_mapping, 0, AOP_FLAG_NOFS);
-	if (IS_ERR(page))
-		return PTR_ERR(page);
+	if (!page)
+		return -ENOMEM;
 
 	err = __f2fs_convert_inline_data(inode, page);
 	f2fs_put_page(page, 1);

^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [patch] f2fs: checking for IS_ERR() instead of NULL
  2014-01-09  5:28 [patch] f2fs: checking for IS_ERR() instead of NULL Dan Carpenter
@ 2014-01-09  9:56 ` Jaegeuk Kim
  0 siblings, 0 replies; 2+ messages in thread
From: Jaegeuk Kim @ 2014-01-09  9:56 UTC (permalink / raw)
  To: Dan Carpenter; +Cc: linux-f2fs-devel, kernel-janitors

Thank you for the patch.
This was already fixed in the original patch with an issue trigger by
Chao Yu before.
I rebased it before, so that it seems you need to pull the f2fs again.
Thanks,

2014-01-09 (목), 08:28 +0300, Dan Carpenter:
> grab_cache_page_write_begin() returns NULL on error, it doesn't return
> error pointers.
> 
> Fixes: e18c65b2ac91 ('f2fs: key functions to handle inline data')
> Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
> 
> diff --git a/fs/f2fs/inline.c b/fs/f2fs/inline.c
> index 69a923e38f0c..e0d800a1d79f 100644
> --- a/fs/f2fs/inline.c
> +++ b/fs/f2fs/inline.c
> @@ -131,8 +131,8 @@ int f2fs_convert_inline_data(struct inode *inode, pgoff_t to_size)
>  		return 0;
>  
>  	page = grab_cache_page_write_begin(inode->i_mapping, 0, AOP_FLAG_NOFS);
> -	if (IS_ERR(page))
> -		return PTR_ERR(page);
> +	if (!page)
> +		return -ENOMEM;
>  
>  	err = __f2fs_convert_inline_data(inode, page);
>  	f2fs_put_page(page, 1);

-- 
Jaegeuk Kim
Samsung

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^ permalink raw reply	[flat|nested] 2+ messages in thread

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