Re: [PATCH] mwifiex: fix memory leak on regd when chan is zero
On 15/09/16 18:10, Kalle Valo wrote: > Colin Kingwrites: > >> From: Colin Ian King >> >> When chan is zero mwifiex_create_custom_regdomain does not kfree >> regd and we have a memory leak. Fix this by freeing regd before >> the return. >> >> Signed-off-by: Colin Ian King >> --- >> drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c | 4 +++- >> 1 file changed, 3 insertions(+), 1 deletion(-) >> >> diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c >> b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c >> index 3344a26..15a91f3 100644 >> --- a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c >> +++ b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c >> @@ -1049,8 +1049,10 @@ mwifiex_create_custom_regdomain(struct >> mwifiex_private *priv, >> enum nl80211_band band; >> >> chan = *buf++; >> -if (!chan) >> +if (!chan) { >> +kfree(regd); >> return NULL; >> +} > > Bob sent a similar fix and he also did more: > > mwifiex: fix error handling in mwifiex_create_custom_regdomain > > https://patchwork.kernel.org/patch/9331337/ > Ah, sorry for the duplication noise. Colin
Re: [PATCH] mwifiex: fix memory leak on regd when chan is zero
Colin Kingwrites: > From: Colin Ian King > > When chan is zero mwifiex_create_custom_regdomain does not kfree > regd and we have a memory leak. Fix this by freeing regd before > the return. > > Signed-off-by: Colin Ian King > --- > drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) > > diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c > b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c > index 3344a26..15a91f3 100644 > --- a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c > +++ b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c > @@ -1049,8 +1049,10 @@ mwifiex_create_custom_regdomain(struct mwifiex_private > *priv, > enum nl80211_band band; > > chan = *buf++; > - if (!chan) > + if (!chan) { > + kfree(regd); > return NULL; > + } Bob sent a similar fix and he also did more: mwifiex: fix error handling in mwifiex_create_custom_regdomain https://patchwork.kernel.org/patch/9331337/ -- Kalle Valo
[PATCH] mwifiex: fix memory leak on regd when chan is zero
From: Colin Ian KingWhen chan is zero mwifiex_create_custom_regdomain does not kfree regd and we have a memory leak. Fix this by freeing regd before the return. Signed-off-by: Colin Ian King --- drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c index 3344a26..15a91f3 100644 --- a/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c +++ b/drivers/net/wireless/marvell/mwifiex/sta_cmdresp.c @@ -1049,8 +1049,10 @@ mwifiex_create_custom_regdomain(struct mwifiex_private *priv, enum nl80211_band band; chan = *buf++; - if (!chan) + if (!chan) { + kfree(regd); return NULL; + } chflags = *buf++; band = (chan <= 14) ? NL80211_BAND_2GHZ : NL80211_BAND_5GHZ; freq = ieee80211_channel_to_frequency(chan, band); -- 2.9.3