summaryrefslogtreecommitdiff
path: root/arch/x86/events/amd/iommu.c
diff options
context:
space:
mode:
authorColin Ian King <colin.i.king@gmail.com>2021-12-07 18:50:01 +0000
committerBorislav Petkov <bp@suse.de>2021-12-28 21:30:05 +0100
commit0be4838f018c10d7f138a213c006d345db35ef5b (patch)
tree1fc0c25a40703ed4784df74e551c29efdf8a5ebb /arch/x86/events/amd/iommu.c
parentbc7aaf52f963674690510e6c1f3710cd0394b25e (diff)
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
Diffstat (limited to 'arch/x86/events/amd/iommu.c')
-rw-r--r--arch/x86/events/amd/iommu.c2
1 files changed, 1 insertions, 1 deletions
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)) {