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spi: core: Fix spi_register_master error handling

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In the case spi_master_initialize_queue() fails, current code calls
device_unregister() before return error from spi_register_master().
However, all the drivers call spi_master_put() in the error path if
spi_register_master() fails. Thus we should call device_del() rather than
device_unregister() before return error from spi_register_master().

This also makes all the spi_register_master() error handling consistent,
because all other error paths of spi_register_master() expect drivers to
call spi_master_put() if spi_register_master() fails.

Signed-off-by: Axel Lin <[email protected]>
Signed-off-by: Mark Brown <[email protected]>
This commit is contained in:
Axel Lin 2013-08-31 20:25:52 +08:00 • committed by Mark Brown
commit e93b07244d
1 changed files with 1 additions and 1 deletions
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2
drivers/spi/spi.c
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@ -1169,7 +1169,7 @@ int spi_register_master(struct spi_master *master)
else {
status = spi_master_initialize_queue(master);
if (status) {
device_unregister(&master->dev);
device_del(&master->dev);
goto done;
}
}