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mac80211_linux: Fix libnl error string fetching

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libnl functions return a library specific error value. errno is not
necessarily valid in all error cases and strerror() for the returned
value is not valid either.

Use nl_geterror() to get the correct error string from the returned
error code.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2020-01-02 16:50:50 +02:00
parent 25ebd538a4
commit 139f7ab311
1 changed files with 2 additions and 2 deletions
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4
src/drivers/driver_macsec_linux.c
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@ -319,14 +319,14 @@ static int macsec_drv_macsec_init(void *priv, struct macsec_init_params *params)
if (err < 0) { if (err < 0) {
wpa_printf(MSG_ERROR, DRV_PREFIX wpa_printf(MSG_ERROR, DRV_PREFIX
"Unable to connect NETLINK_ROUTE socket: %s", "Unable to connect NETLINK_ROUTE socket: %s",
strerror(errno)); nl_geterror(err));
goto sock; goto sock;
} }
err = rtnl_link_alloc_cache(drv->sk, AF_UNSPEC, &drv->link_cache); err = rtnl_link_alloc_cache(drv->sk, AF_UNSPEC, &drv->link_cache);
if (err < 0) { if (err < 0) {
wpa_printf(MSG_ERROR, DRV_PREFIX "Unable to get link cache: %s", wpa_printf(MSG_ERROR, DRV_PREFIX "Unable to get link cache: %s",
strerror(errno)); nl_geterror(err));
goto sock; goto sock;
} }