Changeset 07e01e6 in mainline for uspace/lib/libc/generic/vfs.c

Timestamp:

2008-02-21T21:09:21Z (17 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

fdb7795

Parents:

d1ce550

Message:

Prevent read() and write() from returning an uninitialized error return value.

File:

• uspace/lib/libc/generic/vfs.c (modified) (2 diffs)

uspace/lib/libc/generic/vfs.c

@@ -176 +176 @@
         }
         req = async_send_1(vfs_phone, VFS_READ, fildes, &answer);
-        if (ipc_data_read_start(vfs_phone, (void *)buf, nbyte) != EOK) {
+        rc = ipc_data_read_start(vfs_phone, (void *)buf, nbyte);
+        if (rc != EOK) {
                 async_wait_for(req, NULL);
                 async_serialize_end();
@@ -209 +210 @@
         }
         req = async_send_1(vfs_phone, VFS_WRITE, fildes, &answer);
-        if (ipc_data_write_start(vfs_phone, (void *)buf, nbyte) != EOK) {
+        rc = ipc_data_write_start(vfs_phone, (void *)buf, nbyte);
+        if (rc != EOK) {
                 async_wait_for(req, NULL);
                 async_serialize_end();