Messages in this thread Patch in this message | | | From | Colin Ian King <> | Subject | [PATCH] x86/events/amd/iommu: remove redundant assignment to variable shift | Date | Tue, 7 Dec 2021 18:50:01 +0000 |
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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> --- arch/x86/events/amd/iommu.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/events/amd/iommu.c b/arch/x86/events/amd/iommu.c index 913745f1419b..b15f7b950d2e 100644 --- a/arch/x86/events/amd/iommu.c +++ b/arch/x86/events/amd/iommu.c @@ -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)) { -- 2.33.1
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