From: Colin Ian King Date: Tue, 7 Dec 2021 18:50:01 +0000 (+0000) Subject: x86/events/amd/iommu: Remove redundant assignment to variable shift X-Git-Tag: v5.17-rc1~187^2 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0be4838f018c10d7f138a213c006d345db35ef5b;p=thirdparty%2Fkernel%2Flinux.git 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 Signed-off-by: Borislav Petkov Link: https://lore.kernel.org/r/20211207185001.1412413-1-colin.i.king@gmail.com --- diff --git a/arch/x86/events/amd/iommu.c b/arch/x86/events/amd/iommu.c index 913745f1419ba..b15f7b950d2e0 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)) {