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(parent: c85be04) | patch
tty: mxs-auart: fix a potential NULL pointer dereference
authorKangjie Lu <kjlu@umn.edu>
Thu, 14 Mar 2019 07:21:51 +0000 (02:21 -0500)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 19 Mar 2019 14:37:43 +0000 (15:37 +0100)
commit6734330654dac550f12e932996b868c6d0dcb421
tree114dd5fdf29e9d09dbecc8bac7146e965f25d508tree | snapshot
parentc85be041065c0be8bc48eda4c45e0319caf1d0e5commit | diff
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>
drivers/tty/serial/mxs-auart.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git