lib/42776: Eliminate dead store in fvwrite.c

[henning.petersen%t-online.de@localhost]

>Number:         42776
>Category:       lib
>Synopsis:       Eliminate dead store in fvwrite.c
>Confidential:   no
>Severity:       non-critical
>Priority:       medium
>Responsible:    lib-bug-people
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Feb 09 09:15:00 +0000 2010
>Originator:     Henning Petersen
>Release:        NetBSD-current
>Organization:
>Environment:
>Description:
Eliminate dead store in fvwrite.c .
>How-To-Repeat:

>Fix:
diff -u -r1.21 fvwrite.c
--- lib/libc/stdio/fvwrite.c    25 Oct 2009 20:44:13 -0000      1.21
+++ lib/libc/stdio/fvwrite.c    9 Feb 2010 08:32:58 -0000
@@ -75,7 +75,7 @@
                errno = EINVAL;
                return (EOF);
        }
-       if ((len = uio->uio_resid) == 0)
+       if (uio->uio_resid == 0)
                return (0);
        /* make sure we can write */
        if (cantwrite(fp)) {