Author: Andrzej Hajda <a.hajda@samsung.com> The function returns always non-negative values. The problem has been detected using proposed semantic patch scripts/coccinelle/tests/assign_signed_to_unsigned.cocci [1]. [1]: http://permalink.gmane.org/gmane.linux.kernel/2046107 Signed-off-by: Andrzej Hajda Signed-off-by: Johannes Berg — net/mac80211/mesh.c | 6 +++— net/mac80211/mesh.h | 6 +++— 2 files changed, 6 insertions(+), 6 deletions(-) diff –git a/net/mac80211/mesh.c b/net/mac80211/mesh.c index 62b3e29..626e8de 100644 — a/net/mac80211/mesh.c …