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(parent: 54f1792) | patch
cmd/read.c: Fix checking blk_dread return value
authorTom Rini <trini@konsulko.com>
Tue, 15 Aug 2017 00:58:50 +0000 (20:58 -0400)
committerTom Rini <trini@konsulko.com>
Sun, 20 Aug 2017 13:54:30 +0000 (09:54 -0400)
commitd03618d5cbc3e1fb4f8c63f2e4966f825007ce08
treefe40556e424d977d1985ffaece87f15bc6e05a81tree | snapshot
parent54f1792c8df1dba9cd41d811a7860ddd417f634ecommit | diff
cmd/read.c: Fix checking blk_dread return value

The function blk_dread will return -ENOSYS on failure or on success the
number of blocks read, which must be the number asked to read (otherwise
it failed somewhere).  Correct this check.

Reported-by: Coverity (CID: 166335)
Cc: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Bin Meng <bmeng.cn@gmail.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
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