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Commit f950c0ec authored by Wei Yongjun's avatar Wei Yongjun Committed by David S. Miller
Browse files

ipv6: fix return value check in fib6_add() 

In case of error, the function fib6_add_1() returns ERR_PTR()
or NULL pointer. The ERR_PTR() case check is missing in fib6_add().

dpatch engine is used to generated this patch.
(https://github.com/weiyj/dpatch

)

Signed-off-by: default avatarWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 185d4c8b

net/ipv6/ip6_fib.c

+4 −0
Original line number Original line Diff line number Diff line
@@ -819,6 +819,10 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info) 
					offsetof(struct rt6_info, rt6i_src),

					offsetof(struct rt6_info, rt6i_src),

					allow_create, replace_required);

					allow_create, replace_required);





			if (IS_ERR(sn)) {

				err = PTR_ERR(sn);

				sn = NULL;

			}

			if (!sn) {

			if (!sn) {

				/* If it is failed, discard just allocated

				/* If it is failed, discard just allocated

				   root, and then (in st_failure) stale node

				   root, and then (in st_failure) stale node