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git.proxmox.com Git - mirror_ubuntu-hirsute-kernel.git/commit - drivers/tty/n_gsm.c
tty/n_gsm: fix bug in tiocmset
Clear bitmask was not inverted before masking modem_tx.
Calling ioctl(fd, TIOCMBIC, TIOCM_RTS) results in:
[ 197.430000] pre_modem_tx: 0x00000006
[ 197.430000] clear: 0x00000004
[ 197.430000] set: 0x00000000
[ 197.440000] post_modem_tx: 0x00000004
which is wrong.
Signed-off-by: Nikola Diklic-Perin <diklic.perin.nikola@gmail.com>
Acked-by: Alan Cox <alan@linx.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>