diff mbox

ext4: correct endianness conversion in __xattr_check_inode()

Message ID 1476205286-136713-1-git-send-email-ebiggers@google.com
State Awaiting Upstream, archived
Headers show

Commit Message

Eric Biggers Oct. 11, 2016, 5:01 p.m. UTC
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(-)

Comments

Jan Kara Oct. 12, 2016, 10:36 a.m. UTC | #1
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
> 
> --
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Theodore Ts'o Oct. 15, 2016, 1:44 p.m. UTC | #2
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
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diff mbox

Patch

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: