NFSv4.2: Don't error when exiting early on a READ_PLUS buffer overflow

[ Upstream commit 503b934a752f7e789a5f33217520e0a79f3096ac ]

Expanding the READ_PLUS extents can cause the read buffer to overflow.
If it does, then don't error, but just exit early.

Signed-off-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
1 file changed