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sysfs: kill unnecessary NULL pointer check in sysfs_release() 

In sysfs_release(), sysfs_buffer pointed to by filp->private_data is
guaranteed to exist.  Kill the unnecessary NULL check.  This also
makes the code more consistent with the counterpart in fs/sysfs/bin.c.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Tejun Heo 2007-09-20 16:05:10 +09:00 committed by Greg Kroah-Hartman
parent b05f0548da
commit 50ab1a7286
1 changed files with 4 additions and 5 deletions
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9
fs/sysfs/file.c
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@ -311,11 +311,10 @@ static int sysfs_release(struct inode * inode, struct file * filp)
{
struct sysfs_buffer *buffer = filp->private_data;
if (buffer) {
if (buffer->page)
free_page((unsigned long)buffer->page);
kfree(buffer);
}
if (buffer->page)
free_page((unsigned long)buffer->page);
kfree(buffer);
return 0;
}