6.17-stable review patch. If anyone has any objections, please let me know.

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From: Andrey Albershteyn aalbersh@redhat.com

[ Upstream commit d90ad28e8aa482e397150e22f3762173d918a724 ]

These syscalls call to vfs_fileattr_get/set functions which return ENOIOCTLCMD if filesystem doesn't support setting file attribute on an inode. For syscalls EOPNOTSUPP would be more appropriate return error.

Signed-off-by: Andrey Albershteyn aalbersh@kernel.org Reviewed-by: Jan Kara jack@suse.cz Reviewed-by: Arnd Bergmann arnd@arndb.de Signed-off-by: Christian Brauner brauner@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- fs/file_attr.c | 4 ++++ 1 file changed, 4 insertions(+)

diff --git a/fs/file_attr.c b/fs/file_attr.c index 460b2dd21a852..1dcec88c06805 100644 --- a/fs/file_attr.c +++ b/fs/file_attr.c @@ -416,6 +416,8 @@ SYSCALL_DEFINE5(file_getattr, int, dfd, const char __user *, filename, }

error = vfs_fileattr_get(filepath.dentry, &fa); + if (error == -ENOIOCTLCMD || error == -ENOTTY) + error = -EOPNOTSUPP; if (error) return error;

@@ -483,6 +485,8 @@ SYSCALL_DEFINE5(file_setattr, int, dfd, const char __user *, filename, if (!error) { error = vfs_fileattr_set(mnt_idmap(filepath.mnt), filepath.dentry, &fa); + if (error == -ENOIOCTLCMD || error == -ENOTTY) + error = -EOPNOTSUPP; mnt_drop_write(filepath.mnt); }