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locks: let the caller free file_lock on ->setlease failure

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The caller allocated it, the caller should free it.

The only issue so far is that we could change the flp pointer even on an
error return if the fl_change callback failed.  But we can simply move
the flp assignment after the fl_change invocation, as the callers don't
care about the flp return value if the setlease call failed.

Signed-off-by: Christoph Hellwig <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Christoph Hellwig 2010-10-31 08:35:10 -04:00 • committed by Linus Torvalds
commit 51ee4b84f5
5 changed files with 13 additions and 17 deletions
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2
fs/nfs/file.c
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@ -884,7 +884,5 @@ static int nfs_setlease(struct file *file, long arg, struct file_lock **fl)
dprintk("NFS: setlease(%s/%s, arg=%ld)\n",
file->f_path.dentry->d_parent->d_name.name,
file->f_path.dentry->d_name.name, arg);
if (arg != F_UNLCK)
locks_free_lock(*fl);
return -EINVAL;
}