iputils: backport patch to fix arping hang problem

arping hangs if SIGALARM is blocked. Backport a patch to fix this problem.

Unblock SIGALRM so that the previously called alarm() can prevent recvfrom()
from blocking forever in case the inherited procmask is blocking SIGALRM and
no packet is received.

(From OE-Core rev: 818d4a97763c69e9289fb99822535cd3ca7af6a2)

Signed-off-by: Chen Qi <Qi.Chen@windriver.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/meta/recipes-extended/iputils/iputils_s20151218.bb b/meta/recipes-extended/iputils/iputils_s20151218.bb
index 0d4dd1b17c..46de6fc444 100644
--- a/meta/recipes-extended/iputils/iputils_s20151218.bb
+++ b/meta/recipes-extended/iputils/iputils_s20151218.bb
@@ -20,6 +20,7 @@ SRC_URI = "http://www.skbuff.net/iputils/${BPN}-${PV}.tar.bz2 \
            file://nsgmls-path-fix.patch \
            file://0001-Fix-header-inclusion-for-musl.patch \
            file://0001-Intialize-struct-elements-by-name.patch \
+           file://arping-fix-arping-hang-if-SIGALRM-is-blocked.patch \
           "
 
 SRC_URI[md5sum] = "8aaa7395f27dff9f57ae016d4bc753ce"