diff options
| author | Damien Zammit <damien@zamaudio.com> | 2021-03-07 11:15:07 +0100 |
|---|---|---|
| committer | Samuel Thibault <samuel.thibault@ens-lyon.org> | 2021-03-07 11:15:07 +0100 |
| commit | 06ffcd932adfddf0e0dbd11c7a36e841ddfc9fa3 (patch) | |
| tree | 1618d63c72c61736e146ade67eb6bbddc7ad1449 | |
| parent | 3463fcd26a392eb414794be409a3a640d071af77 (diff) | |
pci-arbiter: Accept not having an underlying node.
* pci-arbiter/pcifs.c (underlying_stat): New variable.
(init_file_system): When underlying_node is nul, use the underlying_stat
content.
| -rw-r--r-- | pci-arbiter/pcifs.c | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/pci-arbiter/pcifs.c b/pci-arbiter/pcifs.c index 0535779e..e09bdd13 100644 --- a/pci-arbiter/pcifs.c +++ b/pci-arbiter/pcifs.c @@ -31,6 +31,9 @@ #include "ncache.h" #include "func_files.h" +/* Empty status for root node when bootstrapping */ +static io_statbuf_t underlying_stat; + static error_t create_dir_entry (int32_t domain, int16_t bus, int16_t dev, int16_t func, int32_t device_class, char *name, @@ -93,17 +96,20 @@ init_file_system (file_t underlying_node, struct pcifs * fs) { error_t err; struct node *np; - io_statbuf_t underlying_node_stat; + io_statbuf_t *underlying_node_stat = &underlying_stat; - /* Initialize status from underlying node. */ - err = io_stat (underlying_node, &underlying_node_stat); - if (err) - return err; + if (underlying_node) + { + /* Initialize status from underlying node. */ + err = io_stat (underlying_node, underlying_node_stat); + if (err) + return err; + } np = netfs_make_node_alloc (sizeof (struct netnode)); if (!np) return ENOMEM; - np->nn_stat = underlying_node_stat; + np->nn_stat = *underlying_node_stat; np->nn_stat.st_fsid = getpid (); np->nn_stat.st_mode = S_IFDIR | S_IROOT | S_IRUSR | S_IXUSR | S_IRGRP | S_IXGRP | S_IROTH | |