[DragonFlyBSD - Bug #3108] (New) sys/dev/disk/fd/fd.c:802: suspicious if statement ?

[bugtracker-admin at leaf.dragonflybsd.org]

Issue #3108 has been reported by dcb.

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Bug #3108: sys/dev/disk/fd/fd.c:802: suspicious if statement ?
http://bugs.dragonflybsd.org/issues/3108

* Author: dcb
* Status: New
* Priority: Normal
* Assignee: 
* Category: Driver
* Target version: 
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dragonfly/sys/dev/disk/fd/fd.c:799] -> [dragonfly/sys/dev/disk/fd/fd.c:802]: (warning) Opposite inner 'if' condition leads to a dead code block.

Source code is

        error = isa_dma_acquire(fdc->dmachan);
        if (!error) {
            isa_dma_init(fdc->dmachan, 128 << 3 /* XXX max secsize */,
                     M_WAITOK);
            if (error) {
                isa_dma_release(fdc->dmachan);





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