[PATCH iproute2 1/2] tc: flower: Add missing err check when parsing flower options

[Roi Dayan]

addattr32 may return an error.

Fixes: cfcabf18d84a ("tc: flower: Add skip_{hw|sw} support")
Signed-off-by: Roi Dayan <r...@mellanox.com>
Reviewed-by: Paul Blakey <pa...@mellanox.com>
---
 tc/f_flower.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/tc/f_flower.c b/tc/f_flower.c
index 1dbc532..1272a47 100644
--- a/tc/f_flower.c
+++ b/tc/f_flower.c
@@ -525,7 +525,9 @@ static int flower_parse_opt(struct filter_util *qu, char 
*handle,
        }
 
 parse_done:
-       addattr32(n, MAX_MSG, TCA_FLOWER_FLAGS, flags);
+       ret = addattr32(n, MAX_MSG, TCA_FLOWER_FLAGS, flags);
+       if (ret)
+               return ret;
 
        ret = addattr16(n, MAX_MSG, TCA_FLOWER_KEY_ETH_TYPE, eth_type);
        if (ret) {
-- 
1.7.1