admin/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2025-12-07 20:06:24 +00:00
Code Issues Packages Projects Releases Wiki Activity

ps3disk: use memcpy_{from,to}_bvec index

Browse Source 
With 6e0a48552b (ps3disk: use memcpy_{from,to}_bvec) converting
ps3disk to new bvec helpers, incrementing the offset was accidently
lost, corrupting consecutive buffers. Restore index for non-corrupted
data transfers.

Fixes: 6e0a48552b (ps3disk: use memcpy_{from,to}_bvec)
Signed-off-by: René Rebe <rene@exactco.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Rene Rebe
2025-11-14 15:30:33 +01:00
committed by Jens Axboe
parent fa0d2dc69e
commit 79bd8c9814
1 changed files with 4 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/block/ps3disk.c
View File

@@ -85,10 +85,14 @@ static void ps3disk_scatter_gather(struct ps3_storage_device *dev,
struct bio_vec bvec;
rq_for_each_segment(bvec, req, iter) {
dev_dbg(&dev->sbd.core, "%s:%u: %u sectors from %llu\n",
__func__, __LINE__, bio_sectors(iter.bio),
iter.bio->bi_iter.bi_sector);
if (gather)
memcpy_from_bvec(dev->bounce_buf + offset, &bvec);
else
memcpy_to_bvec(&bvec, dev->bounce_buf + offset);
offset += bvec.bv_len;
}
}