Lock down TIOCSSERIAL
authorDavid Howells <dhowells@redhat.com>
Wed, 5 Apr 2017 16:40:31 +0000 (17:40 +0100)
committerBen Hutchings <ben@decadent.org.uk>
Thu, 16 Nov 2017 21:04:10 +0000 (21:04 +0000)
commit153d22b38d03b16349d3f53a982abcf1acfa7f3c
tree58bbf7a74dd52ec49864673f2f32eec9a536402e
parent2268aecdf538f93e48a8c650888948be62842941
Lock down TIOCSSERIAL

Lock down TIOCSSERIAL as that can be used to change the ioport and irq
settings on a serial port.  This only appears to be an issue for the serial
drivers that use the core serial code.  All other drivers seem to either
ignore attempts to change port/irq or give an error.

Reported-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: David Howells <dhowells@redhat.com>
Gbp-Pq: Topic features/all/lockdown
Gbp-Pq: Name 0060-Lock-down-TIOCSSERIAL.patch
drivers/tty/serial/serial_core.c