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-rw-r--r--src/mm-plugin-base.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/src/mm-plugin-base.c b/src/mm-plugin-base.c
index a5f53a20..5a86b977 100644
--- a/src/mm-plugin-base.c
+++ b/src/mm-plugin-base.c
@@ -18,6 +18,8 @@
#include <stdio.h>
#include <stdlib.h>
+
+#include <sys/stat.h>
#include <unistd.h>
#include <string.h>
@@ -1021,6 +1023,20 @@ get_driver_name (GUdevDevice *device)
return ret;
}
+static gboolean
+device_file_exists(const char *name)
+{
+ char *devfile;
+ struct stat s;
+ int result;
+
+ devfile = g_strdup_printf ("/dev/%s", name);
+ result = stat (devfile, &s);
+ g_free (devfile);
+
+ return (0 == result) ? TRUE : FALSE;
+}
+
static MMPluginSupportsResult
supports_port (MMPlugin *plugin,
const char *subsys,
@@ -1053,6 +1069,9 @@ supports_port (MMPlugin *plugin,
for (idx = 0; virtual_port[idx]; idx++) {
if (strcmp(name, virtual_port[idx]))
continue;
+ if (!device_file_exists(virtual_port[idx]))
+ continue;
+
task = supports_task_new (self, port, physdev_path, "virtual", callback, callback_data);
g_assert (task);
g_hash_table_insert (priv->tasks, g_strdup (key), g_object_ref (task));