diff options
Diffstat (limited to 'src/kernel/syscalls.c')
| -rw-r--r-- | src/kernel/syscalls.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/src/kernel/syscalls.c b/src/kernel/syscalls.c index c5e12b4..786578a 100644 --- a/src/kernel/syscalls.c +++ b/src/kernel/syscalls.c @@ -292,10 +292,13 @@ long _syscall_fs_respond(void __user *buf, long ret, int flags) { // if this vfsop outputs data and ret is positive, it's the length of the buffer // TODO document ret = min(ret, capped_cast32(req->output.len)); - if (!virt_cpy(req->caller->pages, req->output.buf, - process_current->pages, buf, ret)) { - // how should this error even be handled? TODO - } + struct virt_cpy_error err; + virt_cpy(req->caller->pages, req->output.buf, + process_current->pages, buf, ret, &err); + + if (err.read_fail) + panic_unimplemented(); + /* write failures are ignored */ } process_current->handled_req = NULL; |