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MFC r287875: Fix reading after end of file for file-backed LUNs.
authormav <mav@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Mon, 5 Oct 2015 09:26:00 +0000 (09:26 +0000)
committermav <mav@ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f>
Mon, 5 Oct 2015 09:26:00 +0000 (09:26 +0000)
commitf6999b1e826f222099c548942dd954c764504a3f
tree58c092acad255217c070fe4bceed452bfff974a8tree | snapshot
parenta9d7416cb6c2e3668644a6cbb2e88d64f7b18feacommit | diff
MFC r287875: Fix reading after end of file for file-backed LUNs.

If backing file is smaller then the LUN size, we have to explicitly clear
the rest of the buffer to not leak some random data from previous I/Os.

git-svn-id: svn://svn.freebsd.org/base/stable/10@288764 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
sys/cam/ctl/ctl_backend_block.c diff | blob | history
10-STABLE