Yu Watanabe
1393c5a2a4
For example, consider the following device:
- syspath: /sys/bus/mdio_bus/drivers/Qualcomm Atheros AR8031!AR8033
- subsystem: "drivers"
- driver subsystem: "mdio_bus"
- sysname: "Qualcomm Atheros AR8031/AR8033" <-- '!' is replaced with '/'
When sd_device_new_from_subsystem_sysname() is called to get the device,
the arguments to sd_device_new_from_subsystem_sysname() should be
- subsystem: "drivers"
- sysname (concatenated with driver subsystem): "mdio_bus:Qualcomm Atheros AR8031/AR8033"
In that case, we need to pass to device_new_from_path_join() the following:
- subsystem: "drivers"
- driver subsystem: "mdio_bus"
- sysname: "Qualcomm Atheros AR8031/AR8033"
- a: "/sys/bus"
- b: "drivers"
- c: "mdio_bus"
- d: "Qualcomm Atheros AR8031!AR8033"
Here, the important point is that the `sysname` argument and the
last argument `d` are differnt: the `sysname` argument needs to match
the sysname obtained by `sd_device_get_sysname()`, but `d` must be
the last path component of the syspath.
Previously, we passed a wrong sysname to device_new_from_path_join().
This fixes the issue.
Fixes a bug in cd7c71154c (v257).
System and Service Manager
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