6.1-stable review patch. If anyone has any objections, please let me know.
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From: Matt Johnston matt@codeconstruct.com.au
[ Upstream commit 8344213571b2ac8caf013cfd3b37bc3467c3a893 ]
link() is documented to return EPERM when a filesystem doesn't support the operation, return that instead.
Link: https://github.com/libfuse/libfuse/issues/925 Signed-off-by: Matt Johnston matt@codeconstruct.com.au Signed-off-by: Miklos Szeredi mszeredi@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- fs/fuse/dir.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c index c431abbf48e66..0dbacdd7bb0d8 100644 --- a/fs/fuse/dir.c +++ b/fs/fuse/dir.c @@ -1068,6 +1068,8 @@ static int fuse_link(struct dentry *entry, struct inode *newdir, else if (err == -EINTR) fuse_invalidate_attr(inode);
+ if (err == -ENOSYS) + err = -EPERM; return err; }