Commit 0be4838f authored by Colin Ian King's avatar Colin Ian King Committed by Borislav Petkov
Browse files

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: default avatarColin Ian King <colin.i.king@gmail.com>
Signed-off-by: default avatarBorislav Petkov <bp@suse.de>
Link: https://lore.kernel.org/r/20211207185001.1412413-1-colin.i.king@gmail.com
parent bc7aaf52

arch/x86/events/amd/iommu.c

+1 −1
Original line number Diff line number Diff line
@@ -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)) {