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Re: [PATCH] iwlwifi: avoid memory leak in iwl_dbgfs_nvm_read

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On Mon, Aug 03, 2009 at 12:08:12PM -0700, reinette chatre wrote:
> On Mon, 2009-08-03 at 11:49 -0700, John W. Linville wrote:
> > Reported-by: Martin Ettl <ettl.martin@xxxxxx>
> > Signed-off-by: John W. Linville <linville@xxxxxxxxxxxxx>
> > ---
> >  drivers/net/wireless/iwlwifi/iwl-debugfs.c |    5 ++++-
> >  1 files changed, 4 insertions(+), 1 deletions(-)
> > 
> > diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
> > index 11e08c0..6525e41 100644
> > --- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
> > +++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
> > @@ -318,7 +318,8 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file,
> >  	ptr = priv->eeprom;
> >  	if (!ptr) {
> >  		IWL_ERR(priv, "Invalid EEPROM/OTP memory\n");
> > -		return -ENOMEM;
> > +		ret = -ENOMEM;
> > +		goto out;
> >  	}
> >  	pos += scnprintf(buf + pos, buf_size - pos, "NVM Type: %s\n",
> >  			(priv->nvm_device_type == NVM_DEVICE_TYPE_OTP)
> > @@ -333,6 +334,8 @@ static ssize_t iwl_dbgfs_nvm_read(struct file *file,
> >  	}
> >  
> >  	ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
> > +
> > +out:
> >  	kfree(buf);
> >  	return ret;
> >  }
> 
> There was another patch also that was acked by Zhu Yi. See
> http://thread.gmane.org/gmane.linux.kernel.wireless.general/37032

Yes, I see that now -- perhaps Martin will take-up Julia's habit of
posting patches himself... :-)

John
-- 
John W. Linville		Someday the world will need a hero, and you
linville@xxxxxxxxxxxxx			might be all we have.  Be ready.
			¡Viva Honduras Libre!
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