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authorWei Yongjun <yongjun_wei@trendmicro.com.cn>2012-09-20 18:29:56 +0000
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-10-13 05:47:02 +0900
commit900198e55d78a5d9a1612f0869cd37e58a35353c (patch)
treedbc64f9c00c38c9638c7f7f3c05b5f7cff157d6a /net
parentea26e96b840e38ab1ce5892513d5d8ebc883a2c2 (diff)
ipv6: fix return value check in fib6_add()
[ Upstream commit f950c0ecc78f745e490d615280e031de4dbb1306 ] 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: Wei Yongjun <yongjun_wei@trendmicro.com.cn> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-rw-r--r--net/ipv6/ip6_fib.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/net/ipv6/ip6_fib.c b/net/ipv6/ip6_fib.c
index 608327661960..090719156afb 100644
--- a/net/ipv6/ip6_fib.c
+++ b/net/ipv6/ip6_fib.c
@@ -818,6 +818,10 @@ int fib6_add(struct fib6_node *root, struct rt6_info *rt, struct nl_info *info)
offsetof(struct rt6_info, rt6i_src),
allow_create, replace_required);
+ if (IS_ERR(sn)) {
+ err = PTR_ERR(sn);
+ sn = NULL;
+ }
if (!sn) {
/* If it is failed, discard just allocated
root, and then (in st_failure) stale node