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[PULL,26/56] softmmu/physmem: Clean up local variable shadowing

Message ID 20230929085053.2789105-27-armbru@redhat.com
State New
Headers show
Series [PULL,01/56] migration/rdma: Fix save_page method to fail on polling error | expand

Commit Message

Markus Armbruster Sept. 29, 2023, 8:50 a.m. UTC 
From: Philippe Mathieu-Daudé <philmd@linaro.org>

Fix:

  softmmu/physmem.c: In function ‘cpu_physical_memory_snapshot_and_clear_dirty’:
  softmmu/physmem.c:916:27: warning: declaration of ‘offset’ shadows a parameter [-Wshadow=compatible-local]
    916 |             unsigned long offset = page % DIRTY_MEMORY_BLOCK_SIZE;
        |                           ^~~~~~
  softmmu/physmem.c:892:31: note: shadowed declaration is here
    892 |     (MemoryRegion *mr, hwaddr offset, hwaddr length, unsigned client)
        |                        ~~~~~~~^~~~~~

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20230904161235.84651-23-philmd@linaro.org>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
---
 softmmu/physmem.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)
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Patch

diff --git a/softmmu/physmem.c b/softmmu/physmem.c
index 4f6ca653b3..309653c722 100644
--- a/softmmu/physmem.c
+++ b/softmmu/physmem.c
@@ -913,16 +913,16 @@  DirtyBitmapSnapshot *cpu_physical_memory_snapshot_and_clear_dirty
 
         while (page < end) {
             unsigned long idx = page / DIRTY_MEMORY_BLOCK_SIZE;
-            unsigned long offset = page % DIRTY_MEMORY_BLOCK_SIZE;
+            unsigned long ofs = page % DIRTY_MEMORY_BLOCK_SIZE;
             unsigned long num = MIN(end - page,
-                                    DIRTY_MEMORY_BLOCK_SIZE - offset);
+                                    DIRTY_MEMORY_BLOCK_SIZE - ofs);
 
-            assert(QEMU_IS_ALIGNED(offset, (1 << BITS_PER_LEVEL)));
+            assert(QEMU_IS_ALIGNED(ofs, (1 << BITS_PER_LEVEL)));
             assert(QEMU_IS_ALIGNED(num,    (1 << BITS_PER_LEVEL)));
-            offset >>= BITS_PER_LEVEL;
+            ofs >>= BITS_PER_LEVEL;
 
             bitmap_copy_and_clear_atomic(snap->dirty + dest,
-                                         blocks->blocks[idx] + offset,
+                                         blocks->blocks[idx] + ofs,
                                          num);
             page += num;
             dest += num >> BITS_PER_LEVEL;