[PATCH 04/11] ipaccess: more robust error handle in receival path

[pablo]

From: Pablo Neira Ayuso <pa...@gnumonks.org>

If we hit any error in the receival path of the ipaccess input
driver, then better spot an error containing the reason and close
the socket to start over.
---
 src/input/ipaccess.c |    8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/input/ipaccess.c b/src/input/ipaccess.c
index 44a5a59..31b8f04 100644
--- a/src/input/ipaccess.c
+++ b/src/input/ipaccess.c
@@ -387,9 +387,13 @@ static int handle_ts1_read(struct osmo_fd *bfd)
        int ret = 0, error;
 
        error = ipa_msg_recv(bfd->fd, &msg);
-       if (error < 0)
+       if (error < 0) {
+               if (ipaccess_drop(bfd) >= 0) {
+                       LOGP(DLINP, LOGL_NOTICE, "Sign link problems, "
+                       "closing socket. Reason: %s\n", strerror(errno));
+               }
                return error;
-       else if (error == 0) {
+       } else if (error == 0) {
                if (ipaccess_drop(bfd) >= 0) {
                        LOGP(DLINP, LOGL_NOTICE, "Sign link vanished, "
                                                "dead socket\n");
-- 
1.7.10.4