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mshv: Initialize local variables early upon region invalidation 

Ensure local variables are initialized before use so that the warning can
print the right values if locking the region to invalidate fails due to
inability to lock the region.

Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Fixes: b9a66cd5cc ("mshv: Add support for movable memory regions")
Signed-off-by: Stanislav Kinsburskii <skinsburskii@linux.microsoft.com>
Signed-off-by: Wei Liu <wei.liu@kernel.org>
This commit is contained in:
Stanislav Kinsburskii 2025-12-10 17:55:47 +00:00 committed by Wei Liu
parent 3a2bcc127e
commit beb15a6036
1 changed files with 7 additions and 7 deletions
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14
drivers/hv/mshv_regions.c
View File

@ -494,13 +494,6 @@ static bool mshv_region_interval_invalidate(struct mmu_interval_notifier *mni,
unsigned long mstart, mend;
int ret = -EPERM;
if (mmu_notifier_range_blockable(range))
mutex_lock(&region->mutex);
else if (!mutex_trylock(&region->mutex))
goto out_fail;
mmu_interval_set_seq(mni, cur_seq);
mstart = max(range->start, region->start_uaddr);
mend = min(range->end, region->start_uaddr +
(region->nr_pages << HV_HYP_PAGE_SHIFT));
@ -508,6 +501,13 @@ static bool mshv_region_interval_invalidate(struct mmu_interval_notifier *mni,
page_offset = HVPFN_DOWN(mstart - region->start_uaddr);
page_count = HVPFN_DOWN(mend - mstart);
if (mmu_notifier_range_blockable(range))
mutex_lock(&region->mutex);
else if (!mutex_trylock(&region->mutex))
goto out_fail;
mmu_interval_set_seq(mni, cur_seq);
ret = mshv_region_remap_pages(region, HV_MAP_GPA_NO_ACCESS,
page_offset, page_count);
if (ret)