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Date:      Thu, 12 Jul 2018 11:02:23 +0000
From:      bugzilla-noreply@freebsd.org
To:        bugs@FreeBSD.org
Subject:   [Bug 229722] src/sys/arm/broadcom/bcm2835/bcm2835_sdhost.c:1022: faulty logic ?
Message-ID:  <bug-229722-227@https.bugs.freebsd.org/bugzilla/>
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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=229722

            Bug ID: 229722
           Summary: src/sys/arm/broadcom/bcm2835/bcm2835_sdhost.c:1022:
                    faulty logic ?
           Product: Base System
           Version: CURRENT
          Hardware: Any
                OS: Any
            Status: New
          Severity: Affects Only Me
          Priority: ---
         Component: kern
          Assignee: bugs@FreeBSD.org
          Reporter: dcb314@hotmail.com

src/sys/arm/broadcom/bcm2835/bcm2835_sdhost.c:1026]: (warning) Opposite inner
'if' condition leads to a dead code block.

Source code is

       for (i = 0; i < count;) {
                edm = RD4(sc, HC_DEBUG);
                avail = ((edm >> 4) & 0x1f);
                if (i + avail > count) {
                        if (i >= count)
                                return;
                        else
                                avail = count - i;

return statement can never execute.

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