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authorkib <kib@FreeBSD.org>2012-02-21 01:05:12 +0000
committerkib <kib@FreeBSD.org>2012-02-21 01:05:12 +0000
commit80ae8fe82cdaa69f78dc90fa27bc9e79863de0ea (patch)
treed0d078391c4959fc08545db4ab619daadd9cf1d9 /sys/kern/uipc_mbuf.c
parent31a24bc1664a822f3d06595f42063719e6902ff1 (diff)
downloadFreeBSD-src-80ae8fe82cdaa69f78dc90fa27bc9e79863de0ea.zip
FreeBSD-src-80ae8fe82cdaa69f78dc90fa27bc9e79863de0ea.tar.gz
Fix found places where uio_resid is truncated to int.
Add the sysctl debug.iosize_max_clamp, enabled by default. Setting the sysctl to zero allows to perform the SSIZE_MAX-sized i/o requests from the usermode. Discussed with: bde, das (previous versions) MFC after: 1 month
Diffstat (limited to 'sys/kern/uipc_mbuf.c')
-rw-r--r--sys/kern/uipc_mbuf.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/kern/uipc_mbuf.c b/sys/kern/uipc_mbuf.c
index 620246b..a6fda75 100644
--- a/sys/kern/uipc_mbuf.c
+++ b/sys/kern/uipc_mbuf.c
@@ -1726,7 +1726,8 @@ struct mbuf *
m_uiotombuf(struct uio *uio, int how, int len, int align, int flags)
{
struct mbuf *m, *mb;
- int error, length, total;
+ int error, length;
+ ssize_t total;
int progress = 0;
/*
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