On Fri, May 13, 2011 at 5:00 PM, Johannes Berg <johannes@xxxxxxxxxxxxxxxx> wrote: > On Fri, 2011-05-13 at 13:28 -0700, Javier Cardona wrote: > >> diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c >> index 83ce48e..1db8bba 100644 >> --- a/net/mac80211/mesh_pathtbl.c >> +++ b/net/mac80211/mesh_pathtbl.c > [snip] > > With this patch, I get the warnings below. Thanks. Any ideas on how to fix sparse? I'd like to see those too :) > The locking ones are definitely genuine bugs, I'm not sure I fully understand the sparse message... would this fix the two locking warnings? diff --git a/net/mac80211/mesh_pathtbl.c b/net/mac80211/mesh_pathtbl.c index 83ce48e..fbf0c28 100644 --- a/net/mac80211/mesh_pathtbl.c +++ b/net/mac80211/mesh_pathtbl.c @@ -376,8 +376,10 @@ void mesh_mpath_table_grow(void) rcu_read_lock(); newtbl = mesh_table_alloc(rcu_dereference(mesh_paths)->size_order + 1); - if (!newtbl) + if (!newtbl) { + rcu_read_unlock(); return; + } write_lock_bh(&pathtbl_resize_lock); oldtbl = mesh_paths; if (mesh_table_grow(mesh_paths, newtbl) < 0) { @@ -400,8 +402,10 @@ void mesh_mpp_table_grow(void) rcu_read_lock(); newtbl = mesh_table_alloc(rcu_dereference(mpp_paths)->size_order + 1); - if (!newtbl) + if (!newtbl) { + rcu_read_unlock(); return; + } write_lock_bh(&pathtbl_resize_lock); oldtbl = mpp_paths; if (mesh_table_grow(mpp_paths, newtbl) < 0) { Javier -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html