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fs/fat: Correct blk_dread() return value check
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. Signed-off-by: Tom Rini <trini@konsulko.com>
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@ -54,7 +54,7 @@ static int disk_read(__u32 block, __u32 nr_blocks, void *buf)
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ret = blk_dread(cur_dev, cur_part_info.start + block, nr_blocks, buf);
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ret = blk_dread(cur_dev, cur_part_info.start + block, nr_blocks, buf);
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if (nr_blocks && ret == 0)
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if (ret != nr_blocks)
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return -1;
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return -1;
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return ret;
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return ret;
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