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IB/qib: Remove unused cnt variable

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clang with W=1 reports
drivers/infiniband/hw/qib/qib_file_ops.c:487:20: error: variable
  'cnt' set but not used [-Werror,-Wunused-but-set-variable]
        u32 tid, ctxttid, cnt, limit, tidcnt;
                          ^
drivers/infiniband/hw/qib/qib_file_ops.c:1771:9: error: variable
  'cnt' set but not used [-Werror,-Wunused-but-set-variable]
        int i, cnt = 0, maxtid = ctxt_tidbase + dd->rcvtidcnt;
               ^
This variable is not used so remove it.

Signed-off-by: Tom Rix <trix@redhat.com>
Link: https://lore.kernel.org/r/20230330235800.1845815-1-trix@redhat.com
Signed-off-by: Leon Romanovsky <leon@kernel.org>
This commit is contained in:
Tom Rix 2023-03-30 19:58:00 -04:00 committed by Leon Romanovsky
parent 081c27b3bc
commit e7706c4bbf
1 changed files with 4 additions and 5 deletions
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9
drivers/infiniband/hw/qib/qib_file_ops.c
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@ -484,7 +484,7 @@ static int qib_tid_free(struct qib_ctxtdata *rcd, unsigned subctxt,
const struct qib_tid_info *ti)
{
int ret = 0;
u32 tid, ctxttid, cnt, limit, tidcnt;
u32 tid, ctxttid, limit, tidcnt;
struct qib_devdata *dd = rcd->dd;
u64 __iomem *tidbase;
unsigned long tidmap[8];
@ -520,7 +520,7 @@ static int qib_tid_free(struct qib_ctxtdata *rcd, unsigned subctxt,
/* just in case size changes in future */
limit = tidcnt;
tid = find_first_bit(tidmap, limit);
for (cnt = 0; tid < limit; tid++) {
for (; tid < limit; tid++) {
/*
* small optimization; if we detect a run of 3 or so without
* any set, use find_first_bit again. That's mainly to
@ -530,7 +530,7 @@ static int qib_tid_free(struct qib_ctxtdata *rcd, unsigned subctxt,
*/
if (!test_bit(tid, tidmap))
continue;
cnt++;
if (dd->pageshadow[ctxttid + tid]) {
struct page *p;
dma_addr_t phys;
@ -1768,7 +1768,7 @@ static void unlock_expected_tids(struct qib_ctxtdata *rcd)
{
struct qib_devdata *dd = rcd->dd;
int ctxt_tidbase = rcd->ctxt * dd->rcvtidcnt;
int i, cnt = 0, maxtid = ctxt_tidbase + dd->rcvtidcnt;
int i, maxtid = ctxt_tidbase + dd->rcvtidcnt;
for (i = ctxt_tidbase; i < maxtid; i++) {
struct page *p = dd->pageshadow[i];
@ -1783,7 +1783,6 @@ static void unlock_expected_tids(struct qib_ctxtdata *rcd)
dma_unmap_page(&dd->pcidev->dev, phys, PAGE_SIZE,
DMA_FROM_DEVICE);
qib_release_user_pages(&p, 1);
cnt++;
}
}