diff options
| author | Kent Overstreet <kent.overstreet@linux.dev> | 2024-03-02 15:30:33 -0500 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2024-03-02 17:31:51 -0500 |
| commit | 1d680937f0cd72feb27b8e927810b2cc755b2b3b (patch) | |
| tree | 197a64a0c26c18cd8de9f13e8ac998cf3bb584a5 | |
| parent | 456f9c4fa486fe58df2cdd71b02f1a86fee65394 (diff) | |
bcachefs: copy_(to|from)_user_errcode()
we've got some helpers that return errors sanely, move them to a more
common location for use in fs-ioctl.c
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/chardev.c | 6 | ||||
| -rw-r--r-- | fs/bcachefs/util.h | 16 |
2 files changed, 16 insertions, 6 deletions
diff --git a/fs/bcachefs/chardev.c b/fs/bcachefs/chardev.c index 992939152f01..4603fe6d988a 100644 --- a/fs/bcachefs/chardev.c +++ b/fs/bcachefs/chardev.c @@ -22,12 +22,6 @@ #include <linux/thread_with_file.h> #include <linux/uaccess.h> -__must_check -static int copy_to_user_errcode(void __user *to, const void *from, unsigned long n) -{ - return copy_to_user(to, from, n) ? -EFAULT : 0; -} - /* returns with ref on ca->ref */ static struct bch_dev *bch2_device_lookup(struct bch_fs *c, u64 dev, unsigned flags) diff --git a/fs/bcachefs/util.h b/fs/bcachefs/util.h index c5fec87d8ecc..4318c2c7bf14 100644 --- a/fs/bcachefs/util.h +++ b/fs/bcachefs/util.h @@ -743,4 +743,20 @@ static inline bool qstr_eq(const struct qstr l, const struct qstr r) void bch2_darray_str_exit(darray_str *); int bch2_split_devs(const char *, darray_str *); +#ifdef __KERNEL__ + +__must_check +static inline int copy_to_user_errcode(void __user *to, const void *from, unsigned long n) +{ + return copy_to_user(to, from, n) ? -EFAULT : 0; +} + +__must_check +static inline int copy_from_user_errcode(void *to, const void __user *from, unsigned long n) +{ + return copy_from_user(to, from, n) ? -EFAULT : 0; +} + +#endif + #endif /* _BCACHEFS_UTIL_H */ |