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Fix gcc compiler warning, parse_option()

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When compiling ZFS in user space gcc-4.6.0 correctly identifies
the variable 'value' as being set but never used.  This generates a
warning and a build failure when using --enable-debug.  Once again
this is correct but I'm reluctant to remove 'value' because we are
breaking the string in to name/value pairs.  While it is not used
now there's a good chance it will be soon and I'd rather not have
to reinvent this.  To suppress the warning with just as a VERIFY().
This was observed under Fedora 15.

  cmd/mount_zfs/mount_zfs.c: In function ‘parse_option’:
  cmd/mount_zfs/mount_zfs.c:112:21: error: variable ‘value’ set but not
  used [-Werror=unused-but-set-variable]
This commit is contained in:
Brian Behlendorf 2011-04-18 16:44:22 -07:00
parent 0fe3d820f5
commit 03514b0110
1 changed files with 1 additions and 0 deletions
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cmd/mount_zfs/mount_zfs.c
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@ -120,6 +120,7 @@ parse_option(char *mntopt, unsigned long *mntflags,
if (*ptr == '=') { if (*ptr == '=') {
*ptr = '\0'; *ptr = '\0';
value = ptr+1; value = ptr+1;
VERIFY3P(value, !=, NULL);
break; break;
} }
} }