diff options
| -rw-r--r-- | libnetfs/io-readable.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/libnetfs/io-readable.c b/libnetfs/io-readable.c index 8169f715..51d04e44 100644 --- a/libnetfs/io-readable.c +++ b/libnetfs/io-readable.c @@ -19,6 +19,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */ #include "netfs.h" +#include "io_S.h" error_t netfs_S_io_readable (struct protid *user, @@ -31,7 +32,14 @@ netfs_S_io_readable (struct protid *user, return EINVAL; mutex_lock (&user->po->np->lock); - *amount = user->po->np->nn_stat.st_size - user->po->filepointer; + err = netfs_validate_stat (user->po->np, user); + if (!err) + { + if (user->po->np->nn_stat.st_size > user->po->filepointer) + *amount = user->po->np->nn_stat.st_size - user->po->filepointer; + else + *amount = 0; + } mutex_unlock (&user->po->np->lock); - return 0; + return err; } |