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tty: vt, return error when con_startup fails
When csw->con_startup() fails in do_register_con_driver, we return no error (i.e. 0). This was changed back in 2006 by commit3e795de763
. Before that we used to return -ENODEV. So fix the return value to be -ENODEV in that case again. Fixes:3e795de763
("VT binding: Add binding/unbinding support for the VT console") Signed-off-by: Jiri Slaby <jslaby@suse.cz> Reported-by: "Dan Carpenter" <dan.carpenter@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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parent
11ca2b7ab4
commit
6798df4c5f
@ -3594,9 +3594,10 @@ static int do_register_con_driver(const struct consw *csw, int first, int last)
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goto err;
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desc = csw->con_startup();
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if (!desc)
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if (!desc) {
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retval = -ENODEV;
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goto err;
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}
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retval = -EINVAL;
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