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gtp: simplify error handling code in 'gtp_encap_enable()'

Browse source 
'gtp_encap_disable_sock(sk)' handles the case where sk is NULL, so there
is no need to test it before calling the function.

This saves a few line of code.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christophe JAILLET 2020-01-05 18:36:07 +01:00 committed by David S. Miller
parent f233789dfc
commit b289ba5e07
1 changed files with 3 additions and 6 deletions
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9
drivers/net/gtp.c
View file

@ -851,8 +851,7 @@ static int gtp_encap_enable(struct gtp_dev *gtp, struct nlattr *data[])
sk1u = gtp_encap_enable_socket(fd1, UDP_ENCAP_GTP1U, gtp);
if (IS_ERR(sk1u)) {
if (sk0)
gtp_encap_disable_sock(sk0);
gtp_encap_disable_sock(sk0);
return PTR_ERR(sk1u);
}
}
@ -860,10 +859,8 @@ static int gtp_encap_enable(struct gtp_dev *gtp, struct nlattr *data[])
if (data[IFLA_GTP_ROLE]) {
role = nla_get_u32(data[IFLA_GTP_ROLE]);
if (role > GTP_ROLE_SGSN) {
if (sk0)
gtp_encap_disable_sock(sk0);
if (sk1u)
gtp_encap_disable_sock(sk1u);
gtp_encap_disable_sock(sk0);
gtp_encap_disable_sock(sk1u);
return -EINVAL;
}
}