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authorAndrey Albershteyn <aalbersh@redhat.com>2025-10-08 14:44:18 +0200
committerChristian Brauner <brauner@kernel.org>2025-10-10 13:46:00 +0200
commitd90ad28e8aa482e397150e22f3762173d918a724 (patch)
treed3e2bf56b7a6b858bcc45ae10e68e28c72565f57
parent4dd5b5ac089bb6ea719b7ffb748707ac9cbce4e4 (diff)
fs: return EOPNOTSUPP from file_setattr/file_getattr syscalls
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>
-rw-r--r--fs/file_attr.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/file_attr.c b/fs/file_attr.c
index 460b2dd21a85..1dcec88c0680 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);
}