We should be returning normal negative error codes here. The "a"
variables comes from &c->async_write_error which is a blk_status_t
converted to a regular error code.
In the current code, the blk_status_t gets propogated back to
pool_create() and eventually results in an Oops.
Fixes: 4e4cbee93d56 ("block: switch bios to blk_status_t")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 850ff6c67994..44f4a8ac95bd 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -1258,8 +1258,7 @@ EXPORT_SYMBOL_GPL(dm_bufio_write_dirty_buffers_async);
*/
int dm_bufio_write_dirty_buffers(struct dm_bufio_client *c)
{
- blk_status_t a;
- int f;
+ int a, f;
unsigned long buffers_processed = 0;
struct dm_buffer *b, *tmp;
--
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