Remove handling of NULL returns from sleeping bio_alloc calls given that
those can't fail.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
drivers/block/drbd/drbd_receiver.c | 22 ++++------------------
1 file changed, 4 insertions(+), 18 deletions(-)
diff --git a/drivers/block/drbd/drbd_receiver.c b/drivers/block/drbd/drbd_receiver.c
index 6df2539e215ba..fb59b263deeef 100644
--- a/drivers/block/drbd/drbd_receiver.c
+++ b/drivers/block/drbd/drbd_receiver.c
@@ -1281,14 +1281,13 @@ static void submit_one_flush(struct drbd_device *device, struct issue_flush_cont
{
struct bio *bio = bio_alloc(GFP_NOIO, 0);
struct one_flush_context *octx = kmalloc(sizeof(*octx), GFP_NOIO);
- if (!bio || !octx) {
- drbd_warn(device, "Could not allocate a bio, CANNOT ISSUE FLUSH\n");
+
+ if (!octx) {
+ drbd_warn(device, "Could not allocate a octx, CANNOT ISSUE FLUSH\n");
/* FIXME: what else can I do now? disconnecting or detaching
* really does not help to improve the state of the world, either.
*/
- kfree(octx);
- if (bio)
- bio_put(bio);
+ bio_put(bio);
ctx->error = -ENOMEM;
put_ldev(device);
@@ -1646,7 +1645,6 @@ int drbd_submit_peer_request(struct drbd_device *device,
unsigned data_size = peer_req->i.size;
unsigned n_bios = 0;
unsigned nr_pages = (data_size + PAGE_SIZE -1) >> PAGE_SHIFT;
- int err = -ENOMEM;
/* TRIM/DISCARD: for now, always use the helper function
* blkdev_issue_zeroout(..., discard=true).
@@ -1688,10 +1686,6 @@ int drbd_submit_peer_request(struct drbd_device *device,
*/
next_bio:
bio = bio_alloc(GFP_NOIO, nr_pages);
- if (!bio) {
- drbd_err(device, "submit_ee: Allocation of a bio failed (nr_pages=%u)\n", nr_pages);
- goto fail;
- }
/* > peer_req->i.sector, unless this is the first bio */
bio->bi_iter.bi_sector = sector;
bio_set_dev(bio, device->ldev->backing_bdev);
@@ -1726,14 +1720,6 @@ int drbd_submit_peer_request(struct drbd_device *device,
drbd_submit_bio_noacct(device, fault_type, bio);
} while (bios);
return 0;
-
-fail:
- while (bios) {
- bio = bios;
- bios = bios->bi_next;
- bio_put(bio);
- }
- return err;
}
static void drbd_remove_epoch_entry_interval(struct drbd_device *device,
--
2.30.2
--
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