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serial: sccnxp: Fix possible crash if no platform data supplied 

This patch fix possible kernel crash if no platform data supplied.
We should not use platform data in this case, instead we will use
default values from private driver structure.

Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alexander Shiyan 2013-01-17 18:34:45 +04:00 committed by Greg Kroah-Hartman
parent 7d9f49afa4
commit b786337d8c
1 changed files with 2 additions and 2 deletions
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4
drivers/tty/serial/sccnxp.c
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@ -891,9 +891,9 @@ static int sccnxp_probe(struct platform_device *pdev)
} else
memcpy(&s->pdata, pdata, sizeof(struct sccnxp_pdata));
if (pdata->poll_time_us) {
if (s->pdata.poll_time_us) {
dev_info(&pdev->dev, "Using poll mode, resolution %u usecs\n",
pdata->poll_time_us);
s->pdata.poll_time_us);
s->poll = 1;
}