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Keith Busch 8f0edf45bb nvme-pci: fix freeing single sgl 
There may only be a single DMA mapped entry from multiple physical
segments, which means we don't allocate a separte SGL list. Check the
number of allocations prior to know if we need to free something.

Freeing a single list allocation is the same for both PRP and SGL
usages, so we don't need to check the use_sgl flag anymore.

Fixes: 01df742d8c ("nvme-pci: remove SGL segment descriptors")
Reported-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Tested-by: Niklas Schnelle <schnelle@linux.ibm.com>
2023-02-14 06:40:52 +01:00
arch - Start checking for -mindirect-branch-cs-prefix clang support too now that LLVM 2023-01-29 11:17:34 -08:00
block block: Remove the ALLOC_CACHE_SLACK constant 2023-02-09 17:03:36 -07:00
certs certs: make system keyring depend on built-in x509 parser 2022-09-24 04:31:18 +09:00
crypto This update includes the following changes: 2022-12-14 12:31:09 -08:00
Documentation block: stub out and deprecated the capability attribute on the gendisk 2023-02-06 08:44:55 -07:00
drivers nvme-pci: fix freeing single sgl 2023-02-14 06:40:52 +01:00
fs splice: use bvec_set_page to initialize a bvec 2023-02-03 10:17:42 -07:00
include block: add a bvec_set_virt helper 2023-02-03 08:20:55 -07:00
init Kbuild fixes for v6.2 (3rd) 2023-01-21 10:56:37 -08:00
io_uring io_uring: use bvec_set_page to initialize a bvec 2023-02-03 10:17:42 -07:00
ipc Non-MM patches for 6.2-rc1. 2022-12-12 17:28:58 -08:00
kernel trace/blktrace: fix memory leak with using debugfs_lookup() 2023-02-06 09:29:30 -07:00
lib sbitmap: correct wake_batch recalculation to avoid potential IO hung 2023-01-29 20:03:01 -07:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm swap: use bvec_set_page to initialize bvecs 2023-02-03 10:17:42 -07:00
net libceph: use bvec_set_page to initialize bvecs 2023-02-03 10:17:43 -07:00
rust rust: print: avoid evaluating arguments in pr_* macros in unsafe blocks 2023-01-16 00:54:35 +01:00
samples ftrace: Export ftrace_free_filter() to modules 2023-01-24 11:20:58 -05:00
scripts Fix up more non-executable files marked executable 2023-01-28 11:17:57 -08:00
security tomoyo: Update website link 2023-01-13 23:11:38 +09:00
sound treewide: fix up files incorrectly marked executable 2023-01-26 10:05:39 -08:00
tools gpio fixes for v6.2-rc6 2023-01-27 13:47:40 -08:00
usr usr/gen_init_cpio.c: remove unnecessary -1 values from int file 2022-10-03 14:21:44 -07:00
virt VFIO fixes for v6.2-rc6 2023-01-23 11:56:07 -08:00
.clang-format iommufd for 6.2 2022-12-14 09:15:43 -08:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore .gitignore: ignore *.rpm 2022-12-30 17:22:14 +09:00
.mailmap 21 hotfixes. Thirteen of these address pre-6.1 issues and hence have 2023-01-16 16:36:39 -08:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING
CREDITS MAINTAINERS: Update MPTCP maintainer list and CREDITS 2023-01-23 21:42:13 -08:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig
MAINTAINERS MAINTAINERS: add drbd headers 2023-01-29 15:18:33 -07:00
Makefile Linux 6.2-rc6 2023-01-29 13:59:43 -08:00
README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.