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Revert "serial: mvebu-uart: Fix to avoid a potential NULL pointer dereference"

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This reverts commit 32f4717983.

Because of recent interactions with developers from @umn.edu, all
commits from them have been recently re-reviewed to ensure if they were
correct or not.

Upon review, this commit was found to be not be needed at all as the
change was useless because this function can only be called when
of_match_device matched on something.  So it should be reverted.

Cc: Aditya Pakki <pakki001@umn.edu>
Cc: stable <stable@vger.kernel.org>
Fixes: 32f4717983 ("serial: mvebu-uart: Fix to avoid a potential NULL pointer dereference")
Acked-by: Jiri Slaby <jirislaby@kernel.org>
Link: https://lore.kernel.org/r/20210503115736.2104747-6-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2021-05-03 13:56:32 +02:00
parent 99ae341767
commit 754f391584
1 changed files with 0 additions and 3 deletions
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3
drivers/tty/serial/mvebu-uart.c
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@ -818,9 +818,6 @@ static int mvebu_uart_probe(struct platform_device *pdev)
return -EINVAL;
}
if (!match)
return -ENODEV;
/* Assume that all UART ports have a DT alias or none has */
id = of_alias_get_id(pdev->dev.of_node, "serial");
if (!pdev->dev.of_node || id < 0)