diff options
| author | Dmitry Torokhov <[email protected]> | 2021-05-04 11:46:00 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <[email protected]> | 2021-05-04 11:46:00 -0700 |
| commit | d0034a7a4ac7fae708146ac0059b9c47a1543f0d (patch) | |
| tree | ac3ac88066f0f80632aa754e3ae008994f2426a2 /fs/sysfs/file.c | |
| parent | 56cfe6f820a6315291eb5a1b82bb49633b993d3b (diff) | |
| parent | d12b64b9764ea17554fb230784ebf91287ed807e (diff) | |
Merge branch 'next' into for-linus
Prepare input updates for 5.13 merge window.
Diffstat (limited to 'fs/sysfs/file.c')
| -rw-r--r-- | fs/sysfs/file.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/fs/sysfs/file.c b/fs/sysfs/file.c index 96d0da65e088..9aefa7779b29 100644 --- a/fs/sysfs/file.c +++ b/fs/sysfs/file.c @@ -170,6 +170,16 @@ static int sysfs_kf_bin_mmap(struct kernfs_open_file *of, return battr->mmap(of->file, kobj, battr, vma); } +static int sysfs_kf_bin_open(struct kernfs_open_file *of) +{ + struct bin_attribute *battr = of->kn->priv; + + if (battr->mapping) + of->file->f_mapping = battr->mapping; + + return 0; +} + void sysfs_notify(struct kobject *kobj, const char *dir, const char *attr) { struct kernfs_node *kn = kobj->sd, *tmp; @@ -241,6 +251,7 @@ static const struct kernfs_ops sysfs_bin_kfops_mmap = { .read = sysfs_kf_bin_read, .write = sysfs_kf_bin_write, .mmap = sysfs_kf_bin_mmap, + .open = sysfs_kf_bin_open, }; int sysfs_add_file_mode_ns(struct kernfs_node *parent, |