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| author | Takashi Iwai <tiwai@suse.de> | 2010-10-11 13:45:22 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-10-11 13:45:22 +0200 |
| commit | 4e83998f5af010a928495988c586ea2926624db9 (patch) | |
| tree | e72d346172a30bbee165d7f585784724906da416 /fs/aio.c | |
| parent | dd1d3a49db4ae5c6afffadaff526b96c7993c7dd (diff) | |
| parent | d4cfa4d12f46e2520f4c1d1a92e891ce068b7464 (diff) | |
| download | linux-stable-4e83998f5af010a928495988c586ea2926624db9.tar.gz linux-stable-4e83998f5af010a928495988c586ea2926624db9.tar.bz2 linux-stable-4e83998f5af010a928495988c586ea2926624db9.zip | |
Merge branch 'fix/misc' into topic/misc
Diffstat (limited to 'fs/aio.c')
| -rw-r--r-- | fs/aio.c | 13 |
1 files changed, 12 insertions, 1 deletions
@@ -712,8 +712,16 @@ static ssize_t aio_run_iocb(struct kiocb *iocb) */ ret = retry(iocb); - if (ret != -EIOCBRETRY && ret != -EIOCBQUEUED) + if (ret != -EIOCBRETRY && ret != -EIOCBQUEUED) { + /* + * There's no easy way to restart the syscall since other AIO's + * may be already running. Just fail this IO with EINTR. + */ + if (unlikely(ret == -ERESTARTSYS || ret == -ERESTARTNOINTR || + ret == -ERESTARTNOHAND || ret == -ERESTART_RESTARTBLOCK)) + ret = -EINTR; aio_complete(iocb, ret, 0); + } out: spin_lock_irq(&ctx->ctx_lock); @@ -1659,6 +1667,9 @@ long do_io_submit(aio_context_t ctx_id, long nr, if (unlikely(nr < 0)) return -EINVAL; + if (unlikely(nr > LONG_MAX/sizeof(*iocbpp))) + nr = LONG_MAX/sizeof(*iocbpp); + if (unlikely(!access_ok(VERIFY_READ, iocbpp, (nr*sizeof(*iocbpp))))) return -EFAULT; |