* [Qemu-devel] [PATCH] fix recvmsg return value
@ 2008-10-15 22:02 Lauro Ramos Venancio
0 siblings, 0 replies; 2+ messages in thread
From: Lauro Ramos Venancio @ 2008-10-15 22:02 UTC (permalink / raw)
To: qemu-devel
[-- Attachment #1.1: Type: text/plain, Size: 118 bytes --]
Recvmsg must return the number of bytes received.
--
Lauro Ramos Venancio
INdT - Instituto Nokia de Tecnologia
[-- Attachment #1.2: fix_recvmsg_return_value.patch --]
[-- Type: text/x-patch, Size: 965 bytes --]
Index: qemu-arm-eabi/linux-user/syscall.c
===================================================================
--- qemu-arm-eabi.orig/linux-user/syscall.c 2008-10-09 15:04:44.000000000 -0300
+++ qemu-arm-eabi/linux-user/syscall.c 2008-10-09 15:21:27.000000000 -0300
@@ -1267,7 +1267,7 @@
static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
int flags, int send)
{
- abi_long ret;
+ abi_long ret, len;
struct target_msghdr *msgp;
struct msghdr msg;
int count;
@@ -1308,8 +1308,12 @@
ret = get_errno(sendmsg(fd, &msg, flags));
} else {
ret = get_errno(recvmsg(fd, &msg, flags));
- if (!is_error(ret))
+ if (!is_error(ret)) {
+ len = ret;
ret = host_to_target_cmsg(msgp, &msg);
+ if (!is_error(ret))
+ ret = len;
+ }
}
unlock_iovec(vec, target_vec, count, !send);
fail:
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[-- Type: application/pgp-signature, Size: 189 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread* [Qemu-devel] [PATCH] fix recvmsg return value
@ 2008-10-15 22:57 Lauro Ramos Venancio
0 siblings, 0 replies; 2+ messages in thread
From: Lauro Ramos Venancio @ 2008-10-15 22:57 UTC (permalink / raw)
To: qemu-devel
[-- Attachment #1.1: Type: text/plain, Size: 118 bytes --]
Recvmsg must return the number of bytes received.
--
Lauro Ramos Venancio
INdT - Instituto Nokia de Tecnologia
[-- Attachment #1.2: fix_recvmsg_return_value.patch --]
[-- Type: text/x-patch, Size: 965 bytes --]
Index: qemu-arm-eabi/linux-user/syscall.c
===================================================================
--- qemu-arm-eabi.orig/linux-user/syscall.c 2008-10-09 15:04:44.000000000 -0300
+++ qemu-arm-eabi/linux-user/syscall.c 2008-10-09 15:21:27.000000000 -0300
@@ -1267,7 +1267,7 @@
static abi_long do_sendrecvmsg(int fd, abi_ulong target_msg,
int flags, int send)
{
- abi_long ret;
+ abi_long ret, len;
struct target_msghdr *msgp;
struct msghdr msg;
int count;
@@ -1308,8 +1308,12 @@
ret = get_errno(sendmsg(fd, &msg, flags));
} else {
ret = get_errno(recvmsg(fd, &msg, flags));
- if (!is_error(ret))
+ if (!is_error(ret)) {
+ len = ret;
ret = host_to_target_cmsg(msgp, &msg);
+ if (!is_error(ret))
+ ret = len;
+ }
}
unlock_iovec(vec, target_vec, count, !send);
fail:
[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 189 bytes --]
^ permalink raw reply [flat|nested] 2+ messages in thread
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