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Code Issues Releases Wiki Activity

fanotify: fix incorrect fmode_t casts

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[ Upstream commit dccd855771 ]

Fixes sparce warnings:
fs/notify/fanotify/fanotify_user.c:267:63: sparse:
 warning: restricted fmode_t degrades to integer
fs/notify/fanotify/fanotify_user.c:1351:28: sparse:
 warning: restricted fmode_t degrades to integer

FMODE_NONTIFY have bitwise fmode_t type and requires __force attribute
for any casts.

Signed-off-by: Vasily Averin <vvs@openvz.org>
Reviewed-by: Christian Brauner (Microsoft) <brauner@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jan Kara <jack@suse.cz>
Link: https://lore.kernel.org/r/9adfd6ac-1b89-791e-796b-49ada3293985@openvz.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Vasily Averin 2022-05-22 15:08:02 +03:00 committed by Greg Kroah-Hartman
parent 8657e8ea23
commit 6cfc81c6ac
1 changed files with 2 additions and 2 deletions
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4
fs/notify/fanotify/fanotify_user.c
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@ -264,7 +264,7 @@ static int create_fd(struct fsnotify_group *group, struct path *path,
* originally opened O_WRONLY.
*/
new_file = dentry_open(path,
group->fanotify_data.f_flags | FMODE_NONOTIFY,
group->fanotify_data.f_flags | __FMODE_NONOTIFY,
current_cred());
if (IS_ERR(new_file)) {
/*
@ -1329,7 +1329,7 @@ SYSCALL_DEFINE2(fanotify_init, unsigned int, flags, unsigned int, event_f_flags)
(!(fid_mode & FAN_REPORT_NAME) || !(fid_mode & FAN_REPORT_FID)))
return -EINVAL;
f_flags = O_RDWR | FMODE_NONOTIFY;
f_flags = O_RDWR | __FMODE_NONOTIFY;
if (flags & FAN_CLOEXEC)
f_flags |= O_CLOEXEC;
if (flags & FAN_NONBLOCK)