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drivers/staging/lustre: Fix set-but-unused whinge.

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drivers/staging/lustre/lustre/fid/lproc_fid.c: In function 'ldebugfs_fid_write_common':
drivers/staging/lustre/lustre/fid/lproc_fid.c:67:6: warning: variable 'rc' set but not used [-Wunused-but-set-variable]
  int rc;

We fix it by *using* the return code to help bulletproof it.  It says it's
test code - it should be *more* bulletproof than production, not less.

Signed-off-by: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Valdis Kletnieks 2015-12-22 19:36:50 -05:00 committed by Greg Kroah-Hartman
parent b8947b399d
commit f65a0922f0
1 changed files with 2 additions and 0 deletions
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drivers/staging/lustre/lustre/fid/lproc_fid.c
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@ -85,6 +85,8 @@ ldebugfs_fid_write_common(const char __user *buffer, size_t count,
rc = sscanf(kernbuf, "[%llx - %llx]\n",
(unsigned long long *)&tmp.lsr_start,
(unsigned long long *)&tmp.lsr_end);
if (rc != 2)
return -EINVAL;
if (!range_is_sane(&tmp) || range_is_zero(&tmp) ||
tmp.lsr_start < range->lsr_start || tmp.lsr_end > range->lsr_end)
return -EINVAL;