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greybus: spi: unregister master on device add fail

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When registering devices if any of it fail, just cleanup and release spi
master.

Signed-off-by: Rui Miguel Silva <rui.silva@linaro.org>
Reported-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Rui Miguel Silva 2015-12-15 19:09:56 +00:00 committed by Greg Kroah-Hartman
parent a92a2d46ac
commit 4a0c4453e3
1 changed files with 5 additions and 1 deletions
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6
drivers/staging/greybus/spi.c
View file

@ -366,8 +366,12 @@ static int gb_spi_connection_init(struct gb_connection *connection)
/* now, fetch the devices configuration */
for (i = 0; i < spi->num_chipselect; i++) {
ret = gb_spi_setup_device(spi, i);
if (ret < 0)
if (ret < 0) {
dev_err(&connection->bundle->dev,
"failed to allocated spi device: %d\n", ret);
spi_unregister_master(master);
break;
}
}
return ret;