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linux-stable/fs/dlm
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Alexander Aring 700ed41bf6 dlm: fix user space lkb refcounting 
[ Upstream commit 2ab3d705ca ]

This patch fixes to check on the right return value if it was the last
callback. The rv variable got overwritten by the return of
copy_result_to_user(). Fixing it by introducing a second variable for
the return value and don't let rv being overwritten.

Cc: stable@vger.kernel.org
Fixes: 61bed0baa4 ("fs: dlm: use a non-static queue for callbacks")
Reported-by: Valentin Vidić <vvidic@valentin-vidic.from.hr>
Closes: https://lore.kernel.org/gfs2/Ze4qSvzGJDt5yxC3@valentin-vidic.from.hr
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Signed-off-by: David Teigland <teigland@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
 		2024-04-03 15:28:32 +02:00
..
Kconfig fs: dlm: remove deprecated code parts 2023-03-06 15:49:07 -06:00
Makefile fs: dlm: remove deprecated code parts 2023-03-06 15:49:07 -06:00
ast.c fs: dlm: move dlm_purge_lkb_callbacks to user module 2023-06-14 10:17:33 -05:00
ast.h fs: dlm: move dlm_purge_lkb_callbacks to user module 2023-06-14 10:17:33 -05:00
config.c fs: dlm: create midcomms nodes when configure 2023-08-10 10:33:03 -05:00
config.h fs: dlm: remove deprecated code parts 2023-03-06 15:49:07 -06:00
debug_fs.c dlm: fix format seq ops type 4 2024-01-25 15:35:17 -08:00
dir.c fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
dir.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
dlm_internal.h fs: dlm: debugfs for queued callbacks 2023-08-10 10:33:03 -05:00
lock.c fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
lock.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
lockspace.c fs: dlm: revert check required context while close 2023-06-14 10:17:33 -05:00
lockspace.h fs: dlm: revert check required context while close 2023-06-14 10:17:33 -05:00
lowcomms.c dlm: use kernel_connect() and kernel_bind() 2024-01-31 16:18:54 -08:00
lowcomms.h fs: dlm: remove socket shutdown handling 2022-11-21 09:45:49 -06:00
lvb_table.h
…
main.c fs: dlm: unregister memory at the very last 2023-06-14 10:17:33 -05:00
member.c fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
member.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
memory.c fs: dlm: change dflags to use atomic bits 2023-03-06 15:49:07 -06:00
memory.h fs: dlm: allow different allocation context per _create_message 2022-11-08 12:59:41 -06:00
midcomms.c dlm: fix no ack after final message 2023-11-20 11:59:21 +01:00
midcomms.h fs: dlm: create midcomms nodes when configure 2023-08-10 10:33:03 -05:00
plock.c dlm: fix plock lookup when using multiple lockspaces 2023-08-25 10:31:39 -05:00
rcom.c fs: dlm: don't use RCOM_NAMES for version detection 2023-08-10 10:33:03 -05:00
rcom.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
recover.c fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
recover.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
recoverd.c fs: dlm: get recovery sequence number as parameter 2023-08-10 10:33:03 -05:00
recoverd.h
…
requestqueue.c fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
requestqueue.h fs: dlm: constify receive buffer 2023-08-10 10:33:03 -05:00
user.c dlm: fix user space lkb refcounting 2024-04-03 15:28:32 +02:00
user.h fs: dlm: move dlm_purge_lkb_callbacks to user module 2023-06-14 10:17:33 -05:00
util.c dlm: use __le types for dlm messages 2022-04-06 14:02:37 -05:00
util.h dlm: use __le types for dlm messages 2022-04-06 14:02:37 -05:00