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dm bufio: fix error code in dm_bufio_write_dirty_buffers()

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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: 4e4cbee93d ("block: switch bios to blk_status_t")
Signed-off-by: Dan Carpenter <[email protected]>
Reviewed-by: Christoph Hellwig <[email protected]>
Signed-off-by: Mike Snitzer <[email protected]>
This commit is contained in:
Dan Carpenter 2017-07-12 10:26:34 +03:00 • committed by Mike Snitzer
commit edc11d49f8
1 changed files with 1 additions and 2 deletions
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3
drivers/md/dm-bufio.c
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@ -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;