https://git.reactos.org/?p=reactos.git;a=commitdiff;h=1d1dba51db2208e300570c58ffe2272e0c34a1a8
commit 1d1dba51db2208e300570c58ffe2272e0c34a1a8 Author: Jérôme Gardou <[email protected]> AuthorDate: Mon Dec 14 15:51:15 2020 +0100 Commit: Jérôme Gardou <[email protected]> CommitDate: Tue Dec 22 11:05:00 2020 +0100 [NTOS:IO] Do not set Shared property of the file if we are failing in IoCheckShareAccess --- ntoskrnl/io/iomgr/file.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/ntoskrnl/io/iomgr/file.c b/ntoskrnl/io/iomgr/file.c index 5004938c099..548c7f28db7 100644 --- a/ntoskrnl/io/iomgr/file.c +++ b/ntoskrnl/io/iomgr/file.c @@ -3429,11 +3429,6 @@ IoCheckShareAccess(IN ACCESS_MASK DesiredAccess, SharedWrite = (DesiredShareAccess & FILE_SHARE_WRITE) != 0; SharedDelete = (DesiredShareAccess & FILE_SHARE_DELETE) != 0; - /* Set them */ - FileObject->SharedRead = SharedRead; - FileObject->SharedWrite = SharedWrite; - FileObject->SharedDelete = SharedDelete; - /* Check if the shared access is violated */ if ((ReadAccess && (ShareAccess->SharedRead < ShareAccess->OpenCount)) || @@ -3449,6 +3444,11 @@ IoCheckShareAccess(IN ACCESS_MASK DesiredAccess, return STATUS_SHARING_VIOLATION; } + /* Set them */ + FileObject->SharedRead = SharedRead; + FileObject->SharedWrite = SharedWrite; + FileObject->SharedDelete = SharedDelete; + /* It's not, check if caller wants us to update it */ if (Update) {
