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fuse_fs: handle errors on mkdir correctly

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Fixes #2449
This commit is contained in:
Christian Prochaska 2017-06-13 17:20:17 +02:00 committed by Christian Helmuth
parent ba9ef7fdee
commit a6db86b4dc
1 changed files with 29 additions and 19 deletions
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48
repos/libports/src/server/fuse_fs/directory.h
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@ -60,26 +60,10 @@ class File_system::Directory : public Node
void _open_path(char const *path, bool create)
{
int res;
int tries = 0;
do {
/* first try to open path */
res = Fuse::fuse()->op.opendir(path, &_file_info);
if (res == 0) {
break;
}
if (create && !tries) {
res = Fuse::fuse()->op.mkdir(path, 0755);
switch (res) {
case 0: break;
default:
Genode::error("could not create '", path, "'");
throw Lookup_failed();
}
if (create) {
tries++;
continue;
}
res = Fuse::fuse()->op.mkdir(path, 0755);
if (res < 0) {
int err = -res;
@ -106,7 +90,33 @@ class File_system::Directory : public Node
throw Lookup_failed();
}
}
} while (true);
}
res = Fuse::fuse()->op.opendir(path, &_file_info);
if (res < 0) {
int err = -res;
switch (err) {
case EACCES:
Genode::error("op.opendir() permission denied");
throw Permission_denied();
case EIO:
Genode::error("op.opendir() I/O error occurred");
throw Lookup_failed();
case ENOENT:
throw Lookup_failed();
case ENOTDIR:
throw Lookup_failed();
case ENOSPC:
Genode::error("op.opendir() error while expanding directory");
throw Lookup_failed();
case EROFS:
throw Permission_denied();
default:
Genode::error("op.opendir() returned unexpected error code: ", res);
throw Lookup_failed();
}
}
}
size_t _num_entries()