Changeset 086290d in mainline for uspace/srv/fs/locfs/locfs_ops.c

Timestamp:

2011-09-19T08:56:43Z (13 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

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

Children:

26e7d6d, a96a982, ac2c3f8f

Parents:

45a9cf4

Message:

locfs should not propagate EHANGUP to VFS.

• locfs_read() and locfs_write() need to sanitize the error code returned by the device against EHANGUP or VFS will end up with a slammed phone to locfs

File:

• uspace/srv/fs/locfs/locfs_ops.c (modified) (2 diffs)

uspace/srv/fs/locfs/locfs_ops.c

@@ -593 +593 @@
                 sysarg_t rc;
                 async_wait_for(msg, &rc);
+
+                /* Do not propagate EHANGUP back to VFS. */
+                if ((int) rc == EHANGUP)
+                        rc = ENOTSUP;
                 
                 *rbytes = IPC_GET_ARG1(answer);
@@ -655 +659 @@
                 sysarg_t rc;
                 async_wait_for(msg, &rc);
+
+                /* Do not propagate EHANGUP back to VFS. */
+                if ((int) rc == EHANGUP)
+                        rc = ENOTSUP;
                 
                 *wbytes = IPC_GET_ARG1(answer);