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authorFabien Dessenne <fabien.dessenne@st.com>2019-03-21 18:43:26 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-03-27 19:21:21 +0300
commitf4e68d58cf2b20a581759bbc7228052534652673 (patch)
tree04a5dc64b3a11f9f1a5c594e3725e627b6513713 /Documentation
parent3ec8002951ea173e24b466df1ea98c56b7920e63 (diff)
downloadlinux-f4e68d58cf2b20a581759bbc7228052534652673.tar.xz
tty: fix NULL pointer issue when tty_port ops is not set
Unlike 'client_ops' which is initialized to 'default_client_ops', the port operations 'ops' may be left to NULL. Check the 'ops' value before checking the 'ops->x' value. Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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