redonkable
/
alistair23-linux
1
0
Fork 0
Code Releases Activity

Fix incorrect branching at top of blk_max_size_offset(). 

-----BEGIN PGP SIGNATURE-----
 
 iQFHBAABCAAxFiEEJfWUX4UqZ4x1O2wixSPxCi2dA1oFAl/KwFgTHHNuaXR6ZXJA
 cmVkaGF0LmNvbQAKCRDFI/EKLZ0DWlN+CAC0H96QVQTS5+osg3FOaBMO/whp3Wgw
 AA/W8g/TyzW41CnuSRr/B90p+XOYdn7xyt3YjsI1KDUuwMzeMncVq/rLZBdJmsyk
 q1ra+zkz430W6oE3+xr7By50RGVHH1c1fbhpaS+Jb2xRYqPmjneHk/aHt7SH2DAX
 HhViT6GW0k7rg+NrwZCw9sjOC4/dSz63i0wQAuvM06DK4hLzY54CwV5cQwCnUzA8
 ZK6N69cayP/6A0L6RyEKbH3E9YbT0lrD3+Q6VtSYVn/8Dcftx9McyFEckqEOWq0a
 3XywXhFbc9L8WhM6XxmobxXlIg/HlhhY9MjHMGu76LthhpLe0YAp0Yyh
 =RnxG
 -----END PGP SIGNATURE-----

Merge tag 'for-5.10/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm

Pull fix for device mapper fixes from Mike Snitzer:
 "Apologies for the glaring bug I introduced with my previous pull
  request!

  Fix incorrect branching at top of blk_max_size_offset()"

* tag 'for-5.10/dm-fixes-2' of git://git.kernel.org/pub/scm/linux/kernel/git/device-mapper/linux-dm:
  block: fix incorrect branching in blk_max_size_offset()
zero-sugar-mainline-defconfig
Linus Torvalds 2020-12-05 10:51:25 -08:00
parent b3298500b2 65f33b3572
commit 8762340561
1 changed files with 6 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
include/linux/blkdev.h
View File

@ -1076,10 +1076,12 @@ static inline unsigned int blk_max_size_offset(struct request_queue *q,
sector_t offset,
unsigned int chunk_sectors)
{
if (!chunk_sectors && q->limits.chunk_sectors)
chunk_sectors = q->limits.chunk_sectors;
else
return q->limits.max_sectors;
if (!chunk_sectors) {
if (q->limits.chunk_sectors)
chunk_sectors = q->limits.chunk_sectors;
else
return q->limits.max_sectors;
}
if (likely(is_power_of_2(chunk_sectors)))
chunk_sectors -= offset & (chunk_sectors - 1);