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staging: xillybus: Return -EIO if *_iomap fails, instead of 0

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This patch replicates the correction made by Wei Yongjun on a second
occurrence of the same bug.

The first correction was in commit 8eec455551.

Bug fixed: The error code was not set, so the error condition wasn't reflected
in the return value.

Reported-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Eli Billauer <eli.billauer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Eli Billauer 2013-12-17 21:36:29 +02:00 committed by Greg Kroah-Hartman
parent 2d32927127
commit 9340e9dc9d
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/xillybus/xillybus_of.c
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@ -131,10 +131,10 @@ static int xilly_drv_probe(struct platform_device *op)
}
endpoint->registers = of_iomap(dev->of_node, 0);
if (!endpoint->registers) {
dev_err(endpoint->dev,
"Failed to map I/O memory. Aborting.\n");
rc = -EIO;
goto failed_iomap0;
}