diff options
| author | Christoph Hellwig | 2022-04-06 08:12:27 +0200 |
|---|---|---|
| committer | Jens Axboe | 2022-04-17 19:30:41 -0600 |
| commit | 066ff571011d8416e903d3d4f1f41e0b5eb91e1d (patch) | |
| tree | 749f3f28b12204c02e223ec27318d5a231eede0f /drivers/block/pktcdvd.c | |
| parent | 7655db80932d95f501a0811544d9520ec720e38d (diff) | |
block: turn bio_kmalloc into a simple kmalloc wrapper
Remove the magic autofree semantics and require the callers to explicitly
call bio_init to initialize the bio.
This allows bio_free to catch accidental bio_put calls on bio_init()ed
bios as well.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Coly Li <colyli@suse.de>
Acked-by: Mike Snitzer <snitzer@kernel.org>
Link: https://lore.kernel.org/r/20220406061228.410163-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'drivers/block/pktcdvd.c')
| -rw-r--r-- | drivers/block/pktcdvd.c | 25 |
1 files changed, 13 insertions, 12 deletions
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c index 86c8794ede41..4a5b8730133c 100644 --- a/drivers/block/pktcdvd.c +++ b/drivers/block/pktcdvd.c @@ -522,9 +522,10 @@ static struct packet_data *pkt_alloc_packet_data(int frames) goto no_pkt; pkt->frames = frames; - pkt->w_bio = bio_kmalloc(GFP_KERNEL, frames); + pkt->w_bio = bio_kmalloc(frames, GFP_KERNEL); if (!pkt->w_bio) goto no_bio; + bio_init(pkt->w_bio, NULL, pkt->w_bio->bi_inline_vecs, frames, 0); for (i = 0; i < frames / FRAMES_PER_PAGE; i++) { pkt->pages[i] = alloc_page(GFP_KERNEL|__GFP_ZERO); @@ -536,10 +537,10 @@ static struct packet_data *pkt_alloc_packet_data(int frames) bio_list_init(&pkt->orig_bios); for (i = 0; i < frames; i++) { - struct bio *bio = bio_kmalloc(GFP_KERNEL, 1); + struct bio *bio = bio_kmalloc(1, GFP_KERNEL); if (!bio) goto no_rd_bio; - + bio_init(bio, NULL, bio->bi_inline_vecs, 1, 0); pkt->r_bios[i] = bio; } @@ -547,16 +548,16 @@ static struct packet_data *pkt_alloc_packet_data(int frames) no_rd_bio: for (i = 0; i < frames; i++) { - struct bio *bio = pkt->r_bios[i]; - if (bio) - bio_put(bio); + if (pkt->r_bios[i]) + bio_uninit(pkt->r_bios[i]); + kfree(pkt->r_bios[i]); } - no_page: for (i = 0; i < frames / FRAMES_PER_PAGE; i++) if (pkt->pages[i]) __free_page(pkt->pages[i]); - bio_put(pkt->w_bio); + bio_uninit(pkt->w_bio); + kfree(pkt->w_bio); no_bio: kfree(pkt); no_pkt: @@ -571,13 +572,13 @@ static void pkt_free_packet_data(struct packet_data *pkt) int i; for (i = 0; i < pkt->frames; i++) { - struct bio *bio = pkt->r_bios[i]; - if (bio) - bio_put(bio); + bio_uninit(pkt->r_bios[i]); + kfree(pkt->r_bios[i]); } for (i = 0; i < pkt->frames / FRAMES_PER_PAGE; i++) __free_page(pkt->pages[i]); - bio_put(pkt->w_bio); + bio_uninit(pkt->w_bio); + kfree(pkt->w_bio); kfree(pkt); } |