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base-manager: never create kernel device objects for remove events

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There is no point in creating a new kernel device object just to
process a remove event; instead, do any matching with existing
kernel device objects by subsystem and name, which is what the generic
backend already did anyway.

This avoids unnecessary lookup of information in sysfs during removal
events, because the port is anyway already gone when we try to look
those up.
This commit is contained in:
Aleksander Morgado
2020-11-19 17:01:55 +00:00
parent 047805348d
commit c3bc515b8a
3 changed files with 143 additions and 65 deletions
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src/mm-device.h
+13 -8
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@@ -67,14 +67,19 @@ MMDevice *mm_device_new (const gchar *uid,
gboolean virtual,
GDBusObjectManagerServer *object_manager);
void mm_device_grab_port (MMDevice *self,
MMKernelDevice *kernel_port);
void mm_device_release_port (MMDevice *self,
MMKernelDevice *kernel_port);
gboolean mm_device_owns_port (MMDevice *self,
MMKernelDevice *kernel_port);
void mm_device_ignore_port (MMDevice *self,
MMKernelDevice *kernel_port);
void mm_device_grab_port (MMDevice *self,
MMKernelDevice *kernel_port);
gboolean mm_device_owns_port (MMDevice *self,
MMKernelDevice *kernel_port);
void mm_device_ignore_port (MMDevice *self,
MMKernelDevice *kernel_port);
gboolean mm_device_owns_port_name (MMDevice *self,
const gchar *subsystem,
const gchar *name);
void mm_device_release_port_name (MMDevice *self,
const gchar *subsystem,
const gchar *name);
gboolean mm_device_create_modem (MMDevice *self,
GError **error);