Commit 8566dc3f authored by Committed by John W. LinvilleBrowse files
mac80211: Fix sleeping allocation under lock in mesh_path_node_copy.
The mesh_path_node_copy() can be called like this: mesh_path_add `- write_lock(&pathtbl_resize_lock); /* ! */ `- mesh_table_grow `- ->copy_node `- mesh_path_node_copy thus, the GFP_KERNEL is not suitable here. The acceptable fix, I suppose, is make this allocation GPF_ATOMIC - the mpath_node being allocated is 4 pointers, i.e. this allocation is small enough to survive even under a moderate memory pressure. Signed-off-by: Pavel Emelyanov <email@example.com> Signed-off-by: John W. Linville <firstname.lastname@example.org>