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author | YueHaibing <yuehaibing@huawei.com> | 2018-07-25 16:54:33 +0800 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-26 08:35:04 +0200 |
commit | 1e89472ff0635fc68c19e44ec552ed8a9d6e71e4 (patch) | |
tree | fba279c884fae4cc34df8f1e8c6941d3109fdbe0 /net | |
parent | 650ca59a640ba016d3a29555cdbc5c2623c753e9 (diff) | |
download | linux-stable-1e89472ff0635fc68c19e44ec552ed8a9d6e71e4.tar.gz linux-stable-1e89472ff0635fc68c19e44ec552ed8a9d6e71e4.tar.bz2 linux-stable-1e89472ff0635fc68c19e44ec552ed8a9d6e71e4.zip |
xfrm: fix 'passing zero to ERR_PTR()' warning
[ Upstream commit 934ffce1343f22ed5e2d0bd6da4440f4848074de ]
Fix a static code checker warning:
net/xfrm/xfrm_policy.c:1836 xfrm_resolve_and_create_bundle() warn: passing zero to 'ERR_PTR'
xfrm_tmpl_resolve return 0 just means no xdst found, return NULL
instead of passing zero to ERR_PTR.
Fixes: d809ec895505 ("xfrm: do not assume that template resolving always returns xfrms")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-rw-r--r-- | net/xfrm/xfrm_policy.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c index e9eecf6f0bff..48080f89ed25 100644 --- a/net/xfrm/xfrm_policy.c +++ b/net/xfrm/xfrm_policy.c @@ -1845,7 +1845,10 @@ xfrm_resolve_and_create_bundle(struct xfrm_policy **pols, int num_pols, /* Try to instantiate a bundle */ err = xfrm_tmpl_resolve(pols, num_pols, fl, xfrm, family); if (err <= 0) { - if (err != 0 && err != -EAGAIN) + if (err == 0) + return NULL; + + if (err != -EAGAIN) XFRM_INC_STATS(net, LINUX_MIB_XFRMOUTPOLERROR); return ERR_PTR(err); } |