sock: Add cause message in case of error
commitf7f5b215eadf47fde1300cd8855532bc4bfe0ff4
authorVadim Kochan <vadim4j@gmail.com>
Fri, 9 Jan 2015 22:45:48 +0000 (10 00:45 +0200)
committerDaniel Borkmann <dborkman@redhat.com>
Sun, 11 Jan 2015 11:10:52 +0000 (11 12:10 +0100)
tree1d0e81eea510d8d90083ca371918dc7b441f82c6
parentb8a9e53262ab24231542e9ce93daadaf3809dac2
sock: Add cause message in case of error

Add error messages which explain the cause of error state of
the socket functions, so it makes message like:

    $ ./netsniff-ng/netsniff-ng -i wlp3s0
    Creation of PF socket failed: Operation not permitted

more understandable.

Signed-off-by: Vadim Kochan <vadim4j@gmail.com>
Signed-off-by: Daniel Borkmann <dborkman@redhat.com>
sock.c