Kangjie Lu 6734330654 tty: mxs-auart: fix a potential NULL pointer dereference ...

In case ioremap fails, the fix returns -ENOMEM to avoid NULL
pointer dereferences.
Multiple places use port.membase.

Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2019-03-19 15:37:43 +01:00

46 KiB

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