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authorChaitanya T K <chaitanya.mgit@gmail.com>2015-10-30 23:16:15 +0530
committerJohannes Berg <johannes.berg@intel.com>2015-11-03 11:15:48 +0100
commitdcae9e0203dfd887a7413cd38d1f87aaac1127f4 (patch)
treec3a0d643ad47795a17d0890ac410025dffc623ff /net/mac80211/driver-ops.c
parentef95d8ba384781ce574c10f87b97d6bab2659735 (diff)
mac80211: document sleep requirements for channel context ops
Channel context driver operations can sleep, so add might_sleep() and document this. Signed-off-by: Chaitanya T K <chaitanya.mgit@gmail.com> Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'net/mac80211/driver-ops.c')
-rw-r--r--net/mac80211/driver-ops.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/mac80211/driver-ops.c b/net/mac80211/driver-ops.c
index 9f97343f13fd..ca1fe5576103 100644
--- a/net/mac80211/driver-ops.c
+++ b/net/mac80211/driver-ops.c
@@ -236,6 +236,8 @@ int drv_switch_vif_chanctx(struct ieee80211_local *local,
int ret = 0;
int i;
+ might_sleep();
+
if (!local->ops->switch_vif_chanctx)
return -EOPNOTSUPP;