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block-dev:add additional sanity check.

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Change-Id: Ib5b7cd93a50726b95c2e1b4c7eeedfefc824dd9c
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Kees Jongenburger 2013-09-24 13:54:02 +02:00 committed by Gerrit Code Review
parent b1a7d4d7ea
commit 6595e79da8
1 changed files with 1 additions and 0 deletions
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lib/libbdev/bdev.c
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@ -206,6 +206,7 @@ static int bdev_vrdwt_setup(int req, dev_t dev, u64_t pos, iovec_t *vec,
gvec[i].iov_grant = grant;
gvec[i].iov_size = vec[i].iov_size;
assert(vec[i].iov_size > 0);
assert((ssize_t) (size + vec[i].iov_size) > size);
size += vec[i].iov_size;