Hello Jens Axboe,
This is a semi-automatic email about new static checker warnings.
The patch f2298c0403b0: "null_blk: multi queue aware block test
driver" from Oct 25, 2013, leads to the following Smatch complaint:
drivers/block/null_blk.c:524 null_add_dev()
warn: variable dereferenced before check 'nullb->q' (see line 523)
drivers/block/null_blk.c
522 nullb->q = blk_init_queue_node(null_request_fn, &nullb->lock, home_node);
523 blk_queue_prep_rq(nullb->q, null_rq_prep_fn);
^^^^^^^^
Dereference.
524 if (nullb->q)
^^^^^^^^
Null check.
525 blk_queue_softirq_done(nullb->q, null_softirq_done_fn);
526 }
regards,
dan carpenter
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