Variable ar assigned a value that is never used. I have also removed all the code that thereby serves no purpose. This was found using a static code analysis program called cppcheck Signed-off-by: Rickard Strandqvist <rickard_strandqvist(a)spectrumdigital.se&gt; --- drivers/staging/lustre/lustre/fid/lproc_fid.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/staging/lustre/lustre/fid/lproc_fid.c b/drivers/staging/lustre/lustre/fid/lproc_fid.c index 6a21f07..feb7425 100644 --- a/drivers/staging/lustre/lustre/fid/lproc_fid.c +++ b/drivers/staging/lustre/lustre/fid/lproc_fid.c @@ -63,7 +63,6 @@ static int lprocfs_fid_write_common(const char __user *buffer, size_t count, struct lu_seq_range *range) { struct lu_seq_range tmp; - int rc; char kernbuf[MAX_FID_RANGE_STRLEN]; LASSERT(range != NULL); @@ -82,7 +81,7 @@ static int lprocfs_fid_write_common(const char __user *buffer, size_t count, } /* of the form "[0x0000000240000400 - 0x000000028000400]" */ - rc = sscanf(kernbuf, "[%llx - %llx]\n", + sscanf(kernbuf, "[%llx - %llx]\n", (unsigned long long *)&tmp.lsr_start, (unsigned long long *)&tmp.lsr_end); if (!range_is_sane(&tmp) || range_is_zero(&tmp) || -- 1.7.10.4