diff options
Diffstat (limited to 'src/kernel/syscalls.c')
| -rw-r--r-- | src/kernel/syscalls.c | 36 |
1 files changed, 19 insertions, 17 deletions
diff --git a/src/kernel/syscalls.c b/src/kernel/syscalls.c index da6b48f..9b0746a 100644 --- a/src/kernel/syscalls.c +++ b/src/kernel/syscalls.c @@ -63,7 +63,7 @@ hid_t _sys_open(const char __user *path, long len, int flags) { if (flags & ~(OPEN_RW | OPEN_CREATE)) SYSCALL_RETURN(-ENOSYS); if (PATH_MAX < len) - SYSCALL_RETURN(-1); + SYSCALL_RETURN(-ENAMETOOLONG); /* Doesn't check for free handles. Another thread could use up all * handles in the meantime anyways, or free some up. */ @@ -86,16 +86,16 @@ hid_t _sys_open(const char __user *path, long len, int flags) { } vfsreq_create((VfsReq) { - .type = VFSOP_OPEN, - .input = { - .kern = true, - .buf_kern = path_buf, - .len = len, - }, - .caller = proc_cur, - .backend = mount->backend, - .flags = flags, - }); + .type = VFSOP_OPEN, + .input = { + .kern = true, + .buf_kern = path_buf, + .len = len, + }, + .caller = proc_cur, + .backend = mount->backend, + .flags = flags, + }); return -1; // dummy fail: kfree(path_buf); @@ -125,12 +125,14 @@ long _sys_mount(hid_t hid, const char __user *path, long len) { } Handle *handle = hs_get(proc_cur->hs, hid); - if (!handle || handle->type != HANDLE_FS_FRONT) - goto fail; - backend = handle->backend; - if (backend) { - assert(backend->usehcnt); - backend->usehcnt++; + if (handle && handle->type == HANDLE_FS_FRONT) { + backend = handle->backend; + if (backend) { + assert(backend->usehcnt); + backend->usehcnt++; + } + } else { + backend = NULL; } // append to mount list |