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Date: Mon, 7 Nov 2011 11:27:25 -0800 From: Bing Zhao <bzhao@...vell.com> To: "Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>, Jesper Juhl <jj@...osbits.net> CC: "linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>, "netdev@...r.kernel.org" <netdev@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>, "John W. Linville" <linville@...driver.com> Subject: RE: [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@...osbits.net> Hi Jesper, Thanks for the patch. > > Looks good to me. > Reviewed-by: Srivatsa S. Bhat <srivatsa.bhat@...ux.vnet.ibm.com> Hi Srivatsa, Thanks for your review. Acked-by: Bing Zhao <bzhao@...vell.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; > > } -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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