[PATCH v8 1/4] cxl/region: Scan all partitions for unmapped poison

[Richard Cheng]

cxl_get_poison_unmapped() sweeps the unmapped tail of each partition
from ctx->part onward. A fully-mapped partition has no unmapped tail,
it's a normal per-partition state, but the loop treated it with break,
aborting the whole sweep and silently skipping unmapped poison in all
later partition. Use continue so a fully-mapped partition is skipped and
later partitions are still scanned.

Fixes: be5cbd0840275 ("cxl: Kill enum cxl_decoder_mode")
Reviewed-by: Dave Jiang <dave.jiang@xxxxxxxxx>
Reviewed-by: Alison Schofield <alison.schofield@xxxxxxxxx>
Reviewed-by: Jonathan Cameron <jonathan.cameron@xxxxxxxxxxxxxxxx>
Tested-by: Alison Schofield <alison.schofield@xxxxxxxxx>
Signed-off-by: Richard Cheng <icheng@xxxxxxxxxx>
---
 drivers/cxl/core/region.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/cxl/core/region.c b/drivers/cxl/core/region.c
index 5ef0ca0694ff..7c7287315d72 100644
--- a/drivers/cxl/core/region.c
+++ b/drivers/cxl/core/region.c
@@ -2952,7 +2952,7 @@ static int cxl_get_poison_unmapped(struct cxl_memdev *cxlmd,
 			offset = res->start;
 		length = res->end - offset + 1;
 		if (!length)
-			break;
+			continue;
 		rc = cxl_mem_get_poison(cxlmd, offset, length, NULL);
 		if (poison_efault_forgiven(rc, cxlds->part[i].mode))
 			continue;
-- 
2.43.0