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um: return negative in tuntap_open_tramp()

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The intention is to return negative error codes.  "pid" is already
negative but we accidentally negate it again back to positive.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Dan Carpenter 2017-08-25 13:19:58 +03:00 committed by Richard Weinberger
parent 7b24afbfe3
commit 6d20e6b235
1 changed files with 1 additions and 1 deletions
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arch/um/os-Linux/drivers/tuntap_user.c
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@ -80,7 +80,7 @@ static int tuntap_open_tramp(char *gate, int *fd_out, int me, int remote,
pid = run_helper(tuntap_pre_exec, &data, argv);
if (pid < 0)
return -pid;
return pid;
close(remote);