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| author | Dan Carpenter <dan.carpenter@linaro.org> | 2023-09-15 15:55:23 +0300 |
|---|---|---|
| committer | Kent Overstreet <kent.overstreet@linux.dev> | 2023-10-22 17:10:14 -0400 |
| commit | 1f12900ab52304a7c41714b6ad86990eb428fbc9 (patch) | |
| tree | acca1b733982384dbfb11d88643589c4fcbbbd3d | |
| parent | b6c22147e0fcfd16e672093178d940db3ea6923e (diff) | |
bcachefs: fs-ioctl: Fix copy_to_user() error code
The copy_to_user() function returns the number of bytes that it wasn't
able to copy but we want to return -EFAULT to the user.
Fixes: e0750d947352 ("bcachefs: Initial commit")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>
| -rw-r--r-- | fs/bcachefs/fs-ioctl.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/bcachefs/fs-ioctl.c b/fs/bcachefs/fs-ioctl.c index 141bcced031e..0679b2f79fd6 100644 --- a/fs/bcachefs/fs-ioctl.c +++ b/fs/bcachefs/fs-ioctl.c @@ -122,7 +122,10 @@ static int bch2_ioc_fsgetxattr(struct bch_inode_info *inode, fa.fsx_projid = inode->ei_qid.q[QTYP_PRJ]; - return copy_to_user(arg, &fa, sizeof(fa)); + if (copy_to_user(arg, &fa, sizeof(fa))) + return -EFAULT; + + return 0; } static int fssetxattr_inode_update_fn(struct btree_trans *trans, |