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authorAlex Shi <alex.shi@linaro.org>2016-04-21 12:06:25 +0800
committerAlex Shi <alex.shi@linaro.org>2016-04-21 12:06:25 +0800
commit2bf7955152a0544342fcaed28930748cc68392ae (patch)
treed6900b5e4330d173b94fac3cbe2188eba2673771 /net/socket.c
parentad592b70ae97800d4f5bf535d45a680649e2789e (diff)
parent8c9aef03d3b540b6885e7534a885ea25f62dd9ed (diff)
Merge tag 'v4.4.8' into linux-linaro-lsk-v4.4
This is the 4.4.8 stable release
Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c38
1 files changed, 19 insertions, 19 deletions
diff --git a/net/socket.c b/net/socket.c
index d730ef9dfbf0..263b334ec5e4 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -2238,31 +2238,31 @@ int __sys_recvmmsg(int fd, struct mmsghdr __user *mmsg, unsigned int vlen,
break;
}
-out_put:
- fput_light(sock->file, fput_needed);
-
if (err == 0)
- return datagrams;
+ goto out_put;
- if (datagrams != 0) {
+ if (datagrams == 0) {
+ datagrams = err;
+ goto out_put;
+ }
+
+ /*
+ * We may return less entries than requested (vlen) if the
+ * sock is non block and there aren't enough datagrams...
+ */
+ if (err != -EAGAIN) {
/*
- * We may return less entries than requested (vlen) if the
- * sock is non block and there aren't enough datagrams...
+ * ... or if recvmsg returns an error after we
+ * received some datagrams, where we record the
+ * error to return on the next call or if the
+ * app asks about it using getsockopt(SO_ERROR).
*/
- if (err != -EAGAIN) {
- /*
- * ... or if recvmsg returns an error after we
- * received some datagrams, where we record the
- * error to return on the next call or if the
- * app asks about it using getsockopt(SO_ERROR).
- */
- sock->sk->sk_err = -err;
- }
-
- return datagrams;
+ sock->sk->sk_err = -err;
}
+out_put:
+ fput_light(sock->file, fput_needed);
- return err;
+ return datagrams;
}
SYSCALL_DEFINE5(recvmmsg, int, fd, struct mmsghdr __user *, mmsg,