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(bread): For a read that is contained entirely within a block, never copy

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out more than size bytes to the caller's buffer.

PR:		bin/111191
Reviewed by:	pb
MFC after:	1 week
This commit is contained in:
Thomas Quinot 2007-04-05 20:31:23 +00:00
parent 9760f68ca0
commit 993425ee98
1 changed files with 1 additions and 1 deletions
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2
sbin/dump/traverse.c
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@ -925,7 +925,7 @@ loop:
cnt = cread(diskfd, tmpbuf, secsize, offset - base);
if (cnt != secsize)
goto bad;
xfer = secsize - base;
xfer = MIN(secsize - base, size);
offset += xfer;
bytes -= xfer;
resid = bytes % secsize;