On Sat 14-05-22 13:22:28, Vasily Averin wrote:
> 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
> fs/proc/base.c:2240:25: sparse: warning: cast to restricted fmode_t
> fs/proc/base.c:2297:42: sparse: warning: cast from restricted fmode_t
> fs/proc/base.c:2394:48: sparse: warning: cast from restricted fmode_t
> fs/open.c:1024:21: sparse: warning: restricted fmode_t degrades to integer
>
> Signed-off-by: Vasily Averin <vvs@xxxxxxxxxx>
Looks good. Feel free to add:
Acked-by: Jan Kara <jack@xxxxxxx>
for the fsnotify related bits.
Honza
> ---
> fs/notify/fanotify/fanotify_user.c | 4 ++--
> fs/open.c | 2 +-
> fs/proc/base.c | 6 +++---
> 3 files changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
> index 9b32b76a9c30..6b058828e412 100644
> --- a/fs/notify/fanotify/fanotify_user.c
> +++ b/fs/notify/fanotify/fanotify_user.c
> @@ -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 | (__force int)FMODE_NONOTIFY,
> current_cred());
> if (IS_ERR(new_file)) {
> /*
> @@ -1348,7 +1348,7 @@ 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 | (__force int)FMODE_NONOTIFY;
> if (flags & FAN_CLOEXEC)
> f_flags |= O_CLOEXEC;
> if (flags & FAN_NONBLOCK)
> diff --git a/fs/open.c b/fs/open.c
> index 1315253e0247..b5ff39ccebfd 100644
> --- a/fs/open.c
> +++ b/fs/open.c
> @@ -1021,7 +1021,7 @@ inline struct open_how build_open_how(int flags, umode_t mode)
> inline int build_open_flags(const struct open_how *how, struct open_flags *op)
> {
> u64 flags = how->flags;
> - u64 strip = FMODE_NONOTIFY | O_CLOEXEC;
> + u64 strip = (__force u64)FMODE_NONOTIFY | O_CLOEXEC;
> int lookup_flags = 0;
> int acc_mode = ACC_MODE(flags);
>
> diff --git a/fs/proc/base.c b/fs/proc/base.c
> index c1031843cc6a..194b5ac069e7 100644
> --- a/fs/proc/base.c
> +++ b/fs/proc/base.c
> @@ -2237,7 +2237,7 @@ static struct dentry *
> proc_map_files_instantiate(struct dentry *dentry,
> struct task_struct *task, const void *ptr)
> {
> - fmode_t mode = (fmode_t)(unsigned long)ptr;
> + fmode_t mode = (__force fmode_t)(unsigned long)ptr;
> struct proc_inode *ei;
> struct inode *inode;
>
> @@ -2294,7 +2294,7 @@ static struct dentry *proc_map_files_lookup(struct inode *dir,
>
> if (vma->vm_file)
> result = proc_map_files_instantiate(dentry, task,
> - (void *)(unsigned long)vma->vm_file->f_mode);
> + (void *)(__force unsigned long)vma->vm_file->f_mode);
>
> out_no_vma:
> mmap_read_unlock(mm);
> @@ -2391,7 +2391,7 @@ proc_map_files_readdir(struct file *file, struct dir_context *ctx)
> buf, len,
> proc_map_files_instantiate,
> task,
> - (void *)(unsigned long)p->mode))
> + (void *)(__force unsigned long)p->mode))
> break;
> ctx->pos++;
> }
> --
> 2.31.1
>
--
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR
