Re: [patch 3/3] fs/cramfs/inode.c: remove error variable

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On 31.08.2007 [13:43:18 +0200], Richard Knutsson wrote:
> Andi Drebes wrote:
> >This patch removes a variable from fs/cramfs/inode.c that is just used to 
> >store
> >a return value which is immediately read afterwards.
> >
> >Tested on an i386 box.
> >Signed-off-by: Andi Drebes <lists-receive@xxxxxxxxxxxxxxxxxxx>
> >---
> >diff --git a/fs/cramfs/inode.c b/fs/cramfs/inode.c
> >index 350680f..42d2cf8 100644
> >--- a/fs/cramfs/inode.c
> >+++ b/fs/cramfs/inode.c
> >@@ -372,7 +372,7 @@ static int cramfs_readdir(struct file *filp, void 
> >*dirent, filldir_t filldir)
> > 		char *name;
> > 		ino_t ino;
> > 		mode_t mode;
> >-		int namelen, error;
> >+		int namelen;
> > 
> > 		mutex_lock(&read_mutex);
> > 		de = cramfs_read(sb, OFFSET(inode) + offset, 
> > 		sizeof(*de)+CRAMFS_MAXPATHLEN);
> >@@ -398,8 +398,7 @@ static int cramfs_readdir(struct file *filp, void 
> >*dirent, filldir_t filldir)
> > 				break;
> > 			namelen--;
> > 		}
> >-		error = filldir(dirent, buf, namelen, offset, ino, mode >> 
> >12);
> >-		if (error)
> >+		if(filldir(dirent, buf, namelen, offset, ino, mode >> 12))
> >  
> Maybe picky but please leave it as "if (".

Beyond that, I just don't like this change. I thought the preferred way
for these types of statements was the previous version. That is:

error = filldir(...);
if (error)
	error stuff

Rather than a conditional with potential side-effects?

Thanks,
Nish

-- 
Nishanth Aravamudan <nacc@xxxxxxxxxx>
IBM Linux Technology Center
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