From 7bedce8d85a0f1d8b1b2a87618cde4c1e3f53976 Mon Sep 17 00:00:00 2001 From: balrog Date: Sun, 10 Feb 2008 13:28:08 +0000 Subject: [PATCH] Don't error out on zero-length chunks in writev, as to mimic Linux (Kirill A. Shutemov). git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3970 c046a42c-6fe2-441c-8c8c-71466251a162 --- linux-user/syscall.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 70aff845..e8b49ca4 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -1029,7 +1029,7 @@ static abi_long lock_iovec(int type, struct iovec *vec, abi_ulong target_addr, vec[i].iov_len = tswapl(target_vec[i].iov_len); if (vec[i].iov_len != 0) { vec[i].iov_base = lock_user(type, base, vec[i].iov_len, copy); - if (!vec[i].iov_base) + if (!vec[i].iov_base && vec[i].iov_len) goto fail; } else { /* zero length pointer is ignored */ -- 2.39.5