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[Qemu-commits] [COMMIT 3f9ac9b] linux-user: remove duplicate tswap32() f
From: |
Anthony Liguori |
Subject: |
[Qemu-commits] [COMMIT 3f9ac9b] linux-user: remove duplicate tswap32() fromdo_getsockopt() |
Date: |
Tue, 16 Jun 2009 19:36:03 -0000 |
From: Laurent Vivier <address@hidden>
This issue has been detected with tests/linux-tests.c:
linux-test.c:330: getsockopt
327 len = sizeof(val);
328 chk_error(getsockopt(server_fd, SOL_SOCKET, SO_TYPE, &val, &len));
329 if (val != SOCK_STREAM)
330 error("getsockopt");
In linux-user/syscall.c:do_getsockopt(), we have:
...
val = tswap32(val);
...
if (put_user_u32(val, optval_addr))
...
whereas "put_user_u32" calls in the end "__put_user" which uses "tswap32".
So the "val = tswap32(val);" is useless and wrong.
This patch removes it.
Signed-off-by: Laurent Vivier <address@hidden>
Signed-off-by: Riku Voipio <address@hidden>
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 3ff1e04..53a11ab 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -1348,7 +1348,6 @@ static abi_long do_getsockopt(int sockfd, int level, int
optname,
ret = get_errno(getsockopt(sockfd, level, optname, &val, &lv));
if (ret < 0)
return ret;
- val = tswap32(val);
if (len > lv)
len = lv;
if (len == 4) {
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