n_gsm.c: add tx_lock in gsm_send

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All the call to gsm->output should be in the tx_lock,
that could avoid potential race from MUX level. But
we have no tx_lock in gsm_send.

This patch is to add tx_lock in gsm_send.

Signed-off-by: xiaojin <jin.xiao@intel.com>
Acked-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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xiaojin 2012-12-19 11:53:43 +08:00 • committed by Greg Kroah-Hartman

parent 5425e03f97

commit f96f7f7f39

1 changed files with 3 additions and 0 deletions

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drivers/tty/n_gsm.c

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