Changeset 3ad7b1c in mainline for uspace/lib/drv/generic/driver.c

Timestamp:

2011-04-09T09:28:08Z (13 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

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

Children:

26fa82bc

Parents:

033cbf82

Message:

Make devman robust against somebody manually starting a driver. Allow it
if the driver is not running yet. Prevent it if the driver is already
running. Fix phoneid check (zero is valid).

File:

• uspace/lib/drv/generic/driver.c (modified) (2 diffs)

uspace/lib/drv/generic/driver.c

@@ -47 +47 @@
 #include <stdlib.h>
 #include <str.h>
+#include <str_error.h>
 #include <ctype.h>
 #include <errno.h>
@@ -675 +676 @@
         rc = devman_driver_register(driver->name, driver_connection);
         if (rc != EOK) {
-                printf("Error: Failed to register driver with device manager.\n");
+                printf("Error: Failed to register driver with device manager "
+                    "(%s).\n", (rc == EEXISTS) ? "driver already started" :
+                    str_error(rc));
+                
                 return 1;
         }