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x86/events/amd/iommu: Remove redundant assignment to variable shift 

Variable shift is being initialized with a value that is never read, it
is being re-assigned later inside a loop. The assignment is redundant
and can be removed.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211207185001.1412413-1-colin.i.king@gmail.com
This commit is contained in:
Colin Ian King 2021-12-07 18:50:01 +00:00 committed by Borislav Petkov
parent bc7aaf52f9
commit 0be4838f01
1 changed files with 1 additions and 1 deletions
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2
arch/x86/events/amd/iommu.c
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@ -161,7 +161,7 @@ static int get_next_avail_iommu_bnk_cntr(struct perf_event *event)
raw_spin_lock_irqsave(&piommu->lock, flags);
for (bank = 0, shift = 0; bank < max_banks; bank++) {
for (bank = 0; bank < max_banks; bank++) {
for (cntr = 0; cntr < max_cntrs; cntr++) {
shift = bank + (bank*3) + cntr;
if (piommu->cntr_assign_mask & BIT_ULL(shift)) {