Clang is less forgiving than gcc and does not allow to declare variables in the
middle of a case block.
Fix the issue by correctly intoducing a new scope.
The issue has been observed on:
clang version 17.0.6 ( 17.0.6-5.vl9)
Target: x86_64-redhat-linux-gnu
Thread model: posix
Fixes: 75034a7628f6 ("dm-qcow2: parse bitmap extension")
Signed-off-by: Dmitry Sepp <[email protected]>
Feature: dm-qcow2: block device over QCOW2 files driver
Signed-off-by: Dmitry Sepp <[email protected]>
---
drivers/md/dm-qcow2-target.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/md/dm-qcow2-target.c b/drivers/md/dm-qcow2-target.c
index 90f315315976..bf0b3728790d 100644
--- a/drivers/md/dm-qcow2-target.c
+++ b/drivers/md/dm-qcow2-target.c
@@ -794,7 +794,7 @@ static int qcow2_parse_extensions(struct dm_target *ti,
struct qcow2 *qcow2,
offset += sizeof(ext);
switch (ext.magic) {
- case QCOW2_EXT_MAGIC_BITMAPS:
+ case QCOW2_EXT_MAGIC_BITMAPS: {
struct Qcow2BitmapHeaderExt bitmaps_ext;
if (ext.len != sizeof(bitmaps_ext)) {
@@ -814,6 +814,7 @@ static int qcow2_parse_extensions(struct dm_target *ti,
struct qcow2 *qcow2,
return ret;
}
break;
+ }
case QCOW2_EXT_MAGIC_END:
return 0;
default:
--
2.51.0
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