Hello Roopa,
I have a concern about patch bf21563acc1d: "af_mpls: fix undefined
reference to ip6_route_output" from Jul 30, 2015.
net/mpls/af_mpls.c
450
451 dev = find_outdev(net, cfg);
452 if (IS_ERR(dev)) {
find_outdev() used to return NULL pointers but now it only returns NULL
if cfg->rc_via_table == NEIGH_LINK_TABLE or dev_get_by_index() fails.
I think it could lead to a NULL dereference and we don't check for that
here.
Returning a mix of error pointers and NULL is bad style, it needs a big
comment at the top of the function if it's deliberate.
453 err = PTR_ERR(dev);
454 dev = NULL;
455 goto errout;
456 }
regards,
dan carpenter
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