| Message ID | 20240821111250.591558-1-yujiaoliang@vivo.com (mailing list archive) |
|---|---|
| State | Superseded |
| Delegated to: | Netdev Maintainers |
| Headers | show |
| Series | [v2] wifi: cfg80211: Use kmemdup_array instead of kmemdup for multiple allocation | expand |
Le 21/08/2024 à 13:12, Yu Jiaoliang a écrit : > Let the kememdup_array() take care about multiplication and possible > overflows. > > v2: > -Change sizeof(limits[0]) to sizeof(*limits) > -Fix title prefix Hi, this kind of information about differences between versions is usually below the ---. > > Signed-off-by: Yu Jiaoliang <yujiaoliang@vivo.com> > Reviewed-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> It is not because someone makes a comment on a patch that you should automatically add a R-b tag. > Reviewed-by: Kalle Valo <kvalo@kernel.org> > --- > net/wireless/util.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/net/wireless/util.c b/net/wireless/util.c > index 9a7c3adc8a3b..e7c1ac2a0f2d 100644 > --- a/net/wireless/util.c > +++ b/net/wireless/util.c > @@ -2435,8 +2435,8 @@ int cfg80211_iter_combinations(struct wiphy *wiphy, > if (params->num_different_channels > c->num_different_channels) > continue; > > - limits = kmemdup(c->limits, sizeof(limits[0]) * c->n_limits, > - GFP_KERNEL); > + limits = kmemdup_array(c->limits, c->n_limits, sizeof(*limits), > + GFP_KERNEL); > if (!limits) > return -ENOMEM; > Reviewed-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Now you can add my R-b :). CJ
Yu Jiaoliang <yujiaoliang@vivo.com> writes: > Let the kememdup_array() take care about multiplication and possible > overflows. > > v2: > -Change sizeof(limits[0]) to sizeof(*limits) > -Fix title prefix > > Signed-off-by: Yu Jiaoliang <yujiaoliang@vivo.com> > Reviewed-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> > Reviewed-by: Kalle Valo <kvalo@kernel.org> No, I did not review your patch. Do not add any tags (like Reviewed-by) unless a person gives you that in a reply.
diff --git a/net/wireless/util.c b/net/wireless/util.c index 9a7c3adc8a3b..e7c1ac2a0f2d 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -2435,8 +2435,8 @@ int cfg80211_iter_combinations(struct wiphy *wiphy, if (params->num_different_channels > c->num_different_channels) continue; - limits = kmemdup(c->limits, sizeof(limits[0]) * c->n_limits, - GFP_KERNEL); + limits = kmemdup_array(c->limits, c->n_limits, sizeof(*limits), + GFP_KERNEL); if (!limits) return -ENOMEM;