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* [PATCH] ext4: correct endianness conversion in __xattr_check_inode()
@ 2016-10-11 17:01 Eric Biggers
  2016-10-12 10:36 ` Jan Kara
  0 siblings, 1 reply; 3+ messages in thread
From: Eric Biggers @ 2016-10-11 17:01 UTC (permalink / raw)
  To: tytso, adilger.kernel; +Cc: linux-ext4, Eric Biggers

It should be cpu_to_le32(), not le32_to_cpu().  No change in behavior.

Found with sparse, and this was the only endianness warning in fs/ext4/.

Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 fs/ext4/xattr.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index c15d633..e90c5cd 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -241,7 +241,7 @@ __xattr_check_inode(struct inode *inode, struct ext4_xattr_ibody_header *header,
 	int error = -EFSCORRUPTED;
 
 	if (((void *) header >= end) ||
-	    (header->h_magic != le32_to_cpu(EXT4_XATTR_MAGIC)))
+	    (header->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC)))
 		goto errout;
 	error = ext4_xattr_check_names(entry, end, entry);
 errout:
-- 
2.8.0.rc3.226.g39d4020


^ permalink raw reply related	[flat|nested] 3+ messages in thread

* Re: [PATCH] ext4: correct endianness conversion in __xattr_check_inode()
  2016-10-11 17:01 [PATCH] ext4: correct endianness conversion in __xattr_check_inode() Eric Biggers
@ 2016-10-12 10:36 ` Jan Kara
  2016-10-15 13:44   ` Theodore Ts'o
  0 siblings, 1 reply; 3+ messages in thread
From: Jan Kara @ 2016-10-12 10:36 UTC (permalink / raw)
  To: Eric Biggers; +Cc: tytso, adilger.kernel, linux-ext4

On Tue 11-10-16 10:01:26, Eric Biggers wrote:
> It should be cpu_to_le32(), not le32_to_cpu().  No change in behavior.
> 
> Found with sparse, and this was the only endianness warning in fs/ext4/.
> 
> Signed-off-by: Eric Biggers <ebiggers@google.com>

Looks good. You can add:

Reviewed-by: Jan Kara <jack@suse.cz>

								Honza

> ---
>  fs/ext4/xattr.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
> index c15d633..e90c5cd 100644
> --- a/fs/ext4/xattr.c
> +++ b/fs/ext4/xattr.c
> @@ -241,7 +241,7 @@ __xattr_check_inode(struct inode *inode, struct ext4_xattr_ibody_header *header,
>  	int error = -EFSCORRUPTED;
>  
>  	if (((void *) header >= end) ||
> -	    (header->h_magic != le32_to_cpu(EXT4_XATTR_MAGIC)))
> +	    (header->h_magic != cpu_to_le32(EXT4_XATTR_MAGIC)))
>  		goto errout;
>  	error = ext4_xattr_check_names(entry, end, entry);
>  errout:
> -- 
> 2.8.0.rc3.226.g39d4020
> 
> --
> To unsubscribe from this list: send the line "unsubscribe linux-ext4" in
> the body of a message to majordomo@vger.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
-- 
Jan Kara <jack@suse.com>
SUSE Labs, CR

^ permalink raw reply	[flat|nested] 3+ messages in thread

* Re: [PATCH] ext4: correct endianness conversion in __xattr_check_inode()
  2016-10-12 10:36 ` Jan Kara
@ 2016-10-15 13:44   ` Theodore Ts'o
  0 siblings, 0 replies; 3+ messages in thread
From: Theodore Ts'o @ 2016-10-15 13:44 UTC (permalink / raw)
  To: Jan Kara; +Cc: Eric Biggers, adilger.kernel, linux-ext4

On Wed, Oct 12, 2016 at 12:36:46PM +0200, Jan Kara wrote:
> On Tue 11-10-16 10:01:26, Eric Biggers wrote:
> > It should be cpu_to_le32(), not le32_to_cpu().  No change in behavior.
> > 
> > Found with sparse, and this was the only endianness warning in fs/ext4/.
> > 
> > Signed-off-by: Eric Biggers <ebiggers@google.com>
> 
> Looks good. You can add:
> 
> Reviewed-by: Jan Kara <jack@suse.cz>

Thanks, applied

						- Ted

^ permalink raw reply	[flat|nested] 3+ messages in thread

end of thread, other threads:[~2016-10-15 13:45 UTC | newest]

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2016-10-11 17:01 [PATCH] ext4: correct endianness conversion in __xattr_check_inode() Eric Biggers
2016-10-12 10:36 ` Jan Kara
2016-10-15 13:44   ` Theodore Ts'o

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