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handle bad iscsi->fd in iscsi_service

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Just do nothing if the file descriptor is invalid.

Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini
2013-11-05 14:21:45 +01:00
parent fce94c81a3
commit bb0e59055a
1 changed files with 4 additions and 1 deletions
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5
lib/socket.c
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@@ -721,6 +721,9 @@ iscsi_service_reconnect_if_loggedin(struct iscsi_context *iscsi)
int int
iscsi_service(struct iscsi_context *iscsi, int revents) iscsi_service(struct iscsi_context *iscsi, int revents)
{ {
if (iscsi->fd < 0)
return 0;
if (revents & POLLERR) { if (revents & POLLERR) {
int err = 0; int err = 0;
socklen_t err_size = sizeof(err); socklen_t err_size = sizeof(err);
@@ -755,7 +758,7 @@ iscsi_service(struct iscsi_context *iscsi, int revents)
return iscsi_service_reconnect_if_loggedin(iscsi); return iscsi_service_reconnect_if_loggedin(iscsi);
} }
if (iscsi->is_connected == 0 && iscsi->fd != -1 && revents&POLLOUT) { if (iscsi->is_connected == 0 && revents&POLLOUT) {
int err = 0; int err = 0;
socklen_t err_size = sizeof(err); socklen_t err_size = sizeof(err);
struct sockaddr_in local; struct sockaddr_in local;