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SubjectRE: [PATCH] net, wireless, mwifiex: Fix mem leak in mwifiex_update_curr_bss_params()
> On 11/07/2011 03:28 AM, Jesper Juhl wrote:
> > If kmemdup() fails we leak the memory allocated to bss_desc.
> > This patch fixes the leak.
> > I also removed the pointless default assignment of 'NULL' to 'bss_desc'
> > while I was there anyway.
> >
> > Signed-off-by: Jesper Juhl <jj@chaosbits.net>

Hi Jesper,

Thanks for the patch.

>
> Looks good to me.
> Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>

Hi Srivatsa,

Thanks for your review.

Acked-by: Bing Zhao <bzhao@marvell.com>

Thanks,
Bing

>
> Thanks,
> Srivatsa S. Bhat
>
> > ---
> > drivers/net/wireless/mwifiex/scan.c | 3 ++-
> > 1 files changed, 2 insertions(+), 1 deletions(-)
> >
> > note: patch is compile tested only since I don't have the hardware.
> >
> > diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c
> > index dae8dbb..8a3f959 100644
> > --- a/drivers/net/wireless/mwifiex/scan.c
> > +++ b/drivers/net/wireless/mwifiex/scan.c
> > @@ -1469,7 +1469,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
> > s32 rssi, const u8 *ie_buf, size_t ie_len,
> > u16 beacon_period, u16 cap_info_bitmap, u8 band)
> > {
> > - struct mwifiex_bssdescriptor *bss_desc = NULL;
> > + struct mwifiex_bssdescriptor *bss_desc;
> > int ret;
> > unsigned long flags;
> > u8 *beacon_ie;
> > @@ -1484,6 +1484,7 @@ mwifiex_update_curr_bss_params(struct mwifiex_private *priv, u8 *bssid,
> >
> > beacon_ie = kmemdup(ie_buf, ie_len, GFP_KERNEL);
> > if (!beacon_ie) {
> > + kfree(bss_desc);
> > dev_err(priv->adapter->dev, " failed to alloc beacon_ie\n");
> > return -ENOMEM;
> > }


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