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From: Fam Zheng <famz@redhat.com>
To: qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>, Jason Wang <jasowang@redhat.com>,
	Vincenzo Maffione <v.maffione@gmail.com>,
	Stefan Hajnoczi <stefanha@redhat.com>,
	Paolo Bonzini <pbonzini@redhat.com>,
	Giuseppe Lettieri <g.lettieri@iet.unipi.it>,
	Luigi Rizzo <rizzo@iet.unipi.it>
Subject: [Qemu-devel] [RFC PATCH v2 11/13] xen_backend: Remove unused error handling of qemu_set_fd_handler
Date: Thu, 14 May 2015 11:34:27 +0800	[thread overview]
Message-ID: <1431574469-9605-12-git-send-email-famz@redhat.com> (raw)
In-Reply-To: <1431574469-9605-1-git-send-email-famz@redhat.com>

The function cannot fail, so the check is superfluous.

Signed-off-by: Fam Zheng <famz@redhat.com>
---
 hw/xen/xen_backend.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/hw/xen/xen_backend.c b/hw/xen/xen_backend.c
index b2cb22b..2510e2e 100644
--- a/hw/xen/xen_backend.c
+++ b/hw/xen/xen_backend.c
@@ -714,9 +714,7 @@ int xen_be_init(void)
         return -1;
     }
 
-    if (qemu_set_fd_handler(xs_fileno(xenstore), xenstore_update, NULL, NULL) < 0) {
-        goto err;
-    }
+    qemu_set_fd_handler(xs_fileno(xenstore), xenstore_update, NULL, NULL);
 
     if (xen_xc == XC_HANDLER_INITIAL_VALUE) {
         /* Check if xen_init() have been called */
-- 
2.4.0

  parent reply	other threads:[~2015-05-14  3:35 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-05-14  3:34 [Qemu-devel] [RFC PATCH v2 00/13] main-loop: Get rid of fd_read_poll and qemu_set_fd_handler2 Fam Zheng
2015-05-14  3:34 ` [Qemu-devel] [RFC PATCH v2 01/13] stubs: Add qemu_set_fd_handler Fam Zheng
2015-05-14  3:34 ` [Qemu-devel] [RFC PATCH v2 02/13] qemu-nbd: Switch to qemu_set_fd_handler Fam Zheng
2015-05-14  3:34 ` [Qemu-devel] [RFC PATCH v2 03/13] l2tpv3: Drop l2tpv3_can_send Fam Zheng
2015-05-14  3:34 ` [Qemu-devel] [RFC PATCH v2 04/13] netmap: Drop netmap_can_send Fam Zheng
2015-05-14  3:34 ` [Qemu-devel] [RFC PATCH v2 05/13] net/socket: Drop net_socket_can_send Fam Zheng
2015-05-14  3:34 ` [Qemu-devel] [RFC PATCH v2 06/13] tap: Drop tap_can_send Fam Zheng
2015-05-14  3:34 ` [Qemu-devel] [RFC PATCH v2 07/13] Change qemu_set_fd_handler2(..., NULL, ...) to qemu_set_fd_handler Fam Zheng
2015-05-14  3:34 ` [Qemu-devel] [RFC PATCH v2 08/13] main-loop: Drop qemu_set_fd_handler2 Fam Zheng
2015-05-14  3:34 ` [Qemu-devel] [RFC PATCH v2 09/13] alsaaudio: Remove unused error handling of qemu_set_fd_handler Fam Zheng
2015-05-14  3:34 ` [Qemu-devel] [RFC PATCH v2 10/13] oss: " Fam Zheng
2015-05-14  3:34 ` Fam Zheng [this message]
2015-05-14  3:34 ` [Qemu-devel] [RFC PATCH v2 12/13] event-notifier: Always return 0 for posix implementation Fam Zheng
2015-05-14  3:34 ` [Qemu-devel] [RFC PATCH v2 13/13] iohandler: Use AioContext internally Fam Zheng
2015-05-14  4:35   ` Fam Zheng
2015-05-14  9:30     ` Paolo Bonzini
2015-05-14  4:39 ` [Qemu-devel] [RFC PATCH v2 00/13] main-loop: Get rid of fd_read_poll and qemu_set_fd_handler2 Fam Zheng
2015-05-14  9:36   ` Paolo Bonzini
2015-05-14 13:43     ` Fam Zheng

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