4.14-stable review patch. If anyone has any objections, please let me know.
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From: Sara Sharon sara.sharon@intel.com
[ Upstream commit 95f3ce6a77893ac828ba841df44421620de4314b ]
sta_info_alloc can be called from atomic paths (such as RX path) so we need to call pcpu_alloc with the correct gfp.
Fixes: c9c5962b56c1 ("mac80211: enable collecting station statistics per-CPU") Signed-off-by: Sara Sharon sara.sharon@intel.com Signed-off-by: Luca Coelho luciano.coelho@intel.com Signed-off-by: Johannes Berg johannes.berg@intel.com Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/mac80211/sta_info.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -314,7 +314,7 @@ struct sta_info *sta_info_alloc(struct i
if (ieee80211_hw_check(hw, USES_RSS)) { sta->pcpu_rx_stats = - alloc_percpu(struct ieee80211_sta_rx_stats); + alloc_percpu_gfp(struct ieee80211_sta_rx_stats, gfp); if (!sta->pcpu_rx_stats) goto free; }