staging: rtl8712: rtl871x_cmd.c: Remove unnecessary null check

Remove the check for whether the value of variable psecnetwork is NULL
as psecnetwork is a field of a field of a non-NULL pointer, and
therefore cannot be NULL itself.
Signed-off-by: Nishka Dasgupta <nishkadg.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/rtl8712/rtl871x_cmd.c

@@ -468,10 +468,6 @@ u8 r8712_joinbss_cmd(struct _adapter  *padapter, struct wlan_network *pnetwork)
 		}
 	}
 	psecnetwork = &psecuritypriv->sec_bss;
-	if (!psecnetwork) {
-		kfree(pcmd);
-		return _FAIL;
-	}
 	memcpy(psecnetwork, &pnetwork->network, sizeof(*psecnetwork));
 	psecuritypriv->authenticator_ie[0] = (unsigned char)
 					     psecnetwork->IELength;