netns: fix error code when the nsid is already used

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When the user tries to assign a specific nsid, idr_alloc() is called with
the range [nsid, nsid+1]. If this nsid is already used, idr_alloc() returns
ENOSPC (No space left on device). In our case, it's better to return
EEXIST to make it clear that the nsid is not available.

CC: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

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Nicolas Dichtel 2017-06-09 14:41:57 +02:00 • committed by David S. Miller

parent 4a7f7bc600

commit 10d486a30c

1 changed files with 1 additions and 0 deletions

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net/core/net_namespace.c

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