md: check for failure when adding pages in alloc_behind_master_bio

alloc_behind_master_bio() can possibly add multiple pages to a bio, but it
is not checking for the return value of bio_add_page() if adding really
succeeded.

Check if the page adding succeeded and if not bail out.

Reviewed-by: Christoph Hellwig <[email protected]>
Acked-by: Song Liu <[email protected]>
Reviewed-by: Damien Le Moal <[email protected]>
Signed-off-by: Johannes Thumshirn <[email protected]>
Link: https://lore.kernel.org/r/827aa12d44ebf3f50b41b47f5cedc0f80179f2c1.1685532726.git.johannes.thumshirn@wdc.com
[axboe: fold in s/free_page/put_page fix]
Signed-off-by: Jens Axboe <[email protected]>

0 files changed, 0 insertions, 0 deletions