]> git.baikalelectronics.ru Git - kernel.git/commit
bpf: dev_map_alloc() shouldn't return NULL
authorDan Carpenter <dan.carpenter@oracle.com>
Sat, 22 Jul 2017 07:40:04 +0000 (10:40 +0300)
committerDavid S. Miller <davem@davemloft.net>
Mon, 24 Jul 2017 23:23:05 +0000 (16:23 -0700)
commitb4fd7f330560b51ba0b62af15fcbf67da5ab38d1
treed1d8b6991207bebdf313268c343a39cda77ae1d8
parent19dc9b4f26a38536e7322e86f7e1e50a45dd812a
bpf: dev_map_alloc() shouldn't return NULL

We forgot to set the error code on two error paths which means that we
return ERR_PTR(0) which is NULL.  The caller, find_and_alloc_map(), is
not expecting that and will have a NULL dereference.

Fixes: 2cb6adfff0b0 ("bpf: add devmap, a map for storing net device references")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
kernel/bpf/devmap.c